Book 6
Book 6
Book 6
2012
Recommended Citation
Silverman, Sarah Beth, "Assessing attention-deficit/hyperactivity disorder in adults: a review of rating
scales" (2012). Theses and Dissertations. 251.
https://digitalcommons.pepperdine.edu/etd/251
This Dissertation is brought to you for free and open access by Pepperdine Digital Commons. It has been accepted
for inclusion in Theses and Dissertations by an authorized administrator of Pepperdine Digital Commons. For more
information, please contact bailey.berry@pepperdine.edu.
Pepperdine University
Doctor of Psychology
by
June, 2012
under the guidance of a Faculty Committee and approved by its members, has been
submitted to and accepted by the Graduate Faculty in partial fulfillment of the
requirements for the degree of
DOCTOR OF PSYCHOLOGY
Doctoral Committee:
Page
ACKNOWLEDGEMENTS ............................................................................................... ix
VITA ....................................................................................................................................x
ABSTRACT..................................................................................................................... xiii
METHOD ..........................................................................................................................20
RESULTS ..........................................................................................................................23
DISCUSSION ....................................................................................................................58
Psychometric Properties.........................................................................................61
Considerations Related to Clinical Utility .............................................................62
Limitations of the Current Review ........................................................................65
Future Directions ...................................................................................................65
Conclusion .............................................................................................................67
REFERENCES ..................................................................................................................68
LIST OF TABLES
Page
DEDICATION
My parents
and
My husband
ix
ACKNOWLEDGMENTS
members, Kathleen Eldridge, Ph.D. and Ani Dillon, Psy.D., for their contributions and
participation in this project. A special thank you to Dr. Dillon for loaning her materials
and resources, which was greatly appreciated. I was fortunate enough to have many
friends and colleagues encouraging me along the way. Especially Krista Freece, Ph.D.,
who, despite the distance, nourished our friendship and was a great editor.
Without the support of my family, I would not have been able to complete this
instilled in me the importance of caring for others, and cultivated an ambitious, fun,
confident, and loving environment for my growth. They have supported me in every
possible way, and words cannot express my appreciation, gratitude, and love for them.
My wish is to raise my own children in the same selfless and loving way. Thank you to
my siblings for picking up the slack and dealing with a sibling who is a perpetual student.
And thank you to my nieces and nephews for their inspiration, especially Hannah for her
Friday night prayers that warmed my heart. And to my dogs who made me laugh when I
wanted to cry, and who provided snuggles whenever they were needed. Finally, enough
appreciation cannot be expressed to my husband, who has stood by me for the past ten
years. His patient, understanding, and loving, caring nature cannot be matched. Here’s
to our future.
x
VITA
SARAH B. SILVERMAN
EDUCATION
CLINICAL EXPERIENCE
Predoctoral Internship
Kaiser Permanente Department of Psychiatry and Addiction Medicine, San Diego, CA
APA Accredited
August 2009 – August 2010
• Child, adolescent, and adult individual therapy
• Child/adolescent/family intakes
• Psychological testing
• Adult neuropsychological testing primarily referred by neurology, neurosurgery,
and primary care
• Group therapy including: DBT, anger management, couples communication,
ADHD, behavior modification for children, and anxiety management
• Minor rotation in chemical dependency recovery program
• Minor rotation at Family Justice Center conducting intakes and developing safety
plans for victims of domestic violence
• Minor rotation in emergency psychiatric assessments and disposition planning
Doctoral Practicum
University of Southern California, Student Counseling Services
August 2008 - May 2009
• Intake assessments
• Individual therapy
• Co-Leader: Living with Loss Support Group
• Process observation and debriefing: Graduate Students’ Process Group
xi
Doctoral Practicum
Children’s Hospital Los Angeles, Neuropsychological Assessment
August 2007 – December 2008
• Completed comprehensive neuropsychological evaluations for children,
adolescents, and adults to determine functional status, including cognitive
strengths and weaknesses
• Wrote comprehensive reports, including recommendations, for patients most
commonly diagnosed with brain tumors, leukemia, neurofibromatosis, cystic
fibrosis, and sickle cell disease
• Conducted intake interviews, feedback sessions, school consultations, and
multidisciplinary case consultations
• Completed neuropsychological evaluations for Children’s Oncology Group
national research studies
• Participated in weekly interdisciplinary neural tumors team meeting with
physicians, social workers, nurses, pharmacists, radiation oncologists, research
assistants, and school reintegration personnel
• Participated in “hands on” weekly brain cutting/autopsy lectures provided by
neurologist and pathologist on both child and adult brains
Psychology Trainee
Pepperdine Psychological and Educational Clinic, Los Angeles, CA
August 2007 - June 2008
• Adult individual therapy
• Couples therapy
• Conducted intake assessment interviews, determined diagnoses, and provided
appropriate treatment plans
Doctoral Practicum
Corrine A. Seeds University Elementary School, Los Angeles, CA
September 2006 – June 2007
• Child individual therapy
• Child group therapy- social skills training
• Parent intake and feedback sessions
• Classroom and yard observations
• Woodcock-Johnson Achievement Testing
• Consultations with administrators and teachers
Neurophysical Trainer
The Drake Institute of Behavioral Medicine, Northridge, CA
March 2006 – July 2006
• Neurofeedback for children and adults diagnosed with ADHD and Autism
• Monitored and coached children and adults using computer programs (Fast
ForWord and Captain’s Log)
xii
Psychology Extern
Mood and Anxiety Clinic, California State University, Northridge
August 2005 – June 2006
• Adult individual therapy, primarily utilizing a cognitive-behavioral approach
• Applied behavioral techniques such as relaxation therapy, and cognitive
techniques such as thought logs
Psychology Extern, Child and Adolescent Assessment Clinic, California State University,
Northridge
August 2004 – December 2005
• Administered, scored, and interpreted cognitive and psychoeducational
assessments (ages 6-18)
• Parent intake interviews and feedback sessions
• Classroom and behavioral observations
RESEARCH EXPERIENCE
Research Assistant
Pepperdine University, Los Angeles, CA
September 2007 – September 2008
• Research grant for development and implementation of web-based booster
sessions after a social skills/parent training program
• Website development and reliability testing
Research Assistant
California State University, Northridge
Health Psychology Laboratory
March 2005 – June 2006
• Scored, input, and analyzed SPSS data collected from both an elderly and internet
project, and a depression and coping study in college students
Research Assistant
University of California, San Diego
Sleep Disorders Laboratory
June 2003 – September 2003
• Research project examining the relationship between fatigue and sleep in women
with breast cancer
• Prepared equipment and documents for overnight sleep experiment
• Entered and cross-checked experimental data in Microsoft Access database
xiii
ABSTRACT
hyperactivity disorder (ADHD) in adults, and a variety of scales designed for this purpose
have been developed. Existing reviews of adult ADHD rating scales are limited with
respect to their focus, coverage of some clinically relevant content, and/or their reflection
of the most recent scales and data. Thus, the current project aimed to identify and
thoroughly review current adult ADHD rating scales best suited for clinical practice.
oriented scales for assessing ADHD symptoms in adults. The criteria yielded the
following seven rating scales, which were the focus of the current review: the Adult
Attention Deficit Disorders Evaluation Scale (A-ADDES), the Adult ADHD Self-Report
Scale v1.1 Symptom Checklist (ASRS), the Attention-Deficit Scales for Adults (ADSA),
the Barkley Adult ADHD Rating Scale-IV (BAARS-IV), the Brown Attention-Deficit
Disorder Rating Scales for Adults (BADDS), the Conners’ Adult ADHD Rating Scales
(CAARS), and the Wender Utah Rating Scale (WURS). The subsequent review, based
on an extensive search of relevant literature (including but not limited to user and
utility. Implications of the findings for clinicians seeking to select rating scales for
screening, diagnosis, and/or treatment monitoring are discussed, as are future directions
childhood-specific diagnosis and that most children “grew out of” the disorder by the
time they reached late adolescence or early adulthood (Mannuzza & Klein, 2000). Not
until the mid to late 1980s did researchers document clear evidence that many adults who
ADHD (Kessler, Adler, Barkley et al., 2005; Kooij et al., 2005; Mannuzza, Klein,
Bessler, Malloy, & LaPadula, 1993; Millstein, Wilens, Biederman, & Spencer, 1997;
evidence suggesting that a majority of children diagnosed with ADHD have significant
symptoms that persist into adulthood (Barkley, Fischer, Smallish, & Fletcher, 2002,
2006; Klein & Mannuzza, 1991; Mannuzza et al., 1993; Weiss & Hechtman, 1993), along
services for ADHD (Barkley, Murphy, & Fischer, 2008; Goldstein & Ellison, 2002;
Spencer, 2004), have resulted in ADHD now being a well-established adult (as well as
childhood follow-up research and from general population epidemiological studies that
approximately 5% of the United States adult population suffers from the disorder. Based
on 2005 Census Bureau estimates, this figure translates into over 11 million individuals
(Barkley et al., 2008; Kessler et al., 2006). Notably, ADHD now appears to be one of the
most common psychiatric disorders in adults (Faraone & Biederman, 2005). As occurs
among children, ADHD in adults may be more common among males, with the
2006). Although there is some suggestive evidence to the contrary (e.g., ADHD being
significantly correlated with non-Hispanic ancestry; Kessler et al., 2006), the extant data
generally suggests similar rates of ADHD across cultures (Goldman, Genel, Bezman, &
Slanetz, 1998). However, due to cultural norms and expectations, there is variability in
how symptoms are perceived and treated (Adler & Cohen, 2004).
Diagnostic Considerations
that current figures might actually be underestimates (Barkley et al., 2002; Kooij et al.,
First, the criteria presented in the current Diagnostic and Statistical Manual of Mental
solely upon child and adolescent symptoms of ADHD (Applegate et al., 1997; Lahey et
al., 1994) and are, at least in part, inappropriate for adult diagnosis (Barkley et al., 2008).
current DSM-IV-TR criteria do not reflect age-related changes in the presentation of the
disorder and thereby may not be suitable for accurately identifying many cases of ADHD
in adults (Faraone, Biederman, Feighner, & Monuteaux, 2000; McGough & Barkley,
2004). Given the developmental perspective, the presence of ADHD at any age must be
diagnosed using age-relative thresholds (Barkley et al., 2002; Simon, Czobor, Balint,
Meszaros, & Bitter, 2009). However, such thresholds are not provided in the DSM-IV-
TR which, given the fact that base-rates of ADHD symptoms decline with age in the
general population, contributes to both the declining diagnostic rate with age (DuPaul,
Power, Anastopoulos, & Reid, 1998; Faraone et al., 2006; Hart et al., 1995) and the likely
3
under-diagnosis of actual cases of adult ADHD (Faraone & Biederman, 2005; Mannuzza,
Klein, & Moulton, 2003; McGough & Barkley, 2004; Murphy & Barkley, 1996b). An
establishing the diagnosis prior to age seven. It is difficult for adult patients to recall or
incompleteness, and/or distortion (Hardt & Rutter, 2004; Lewandowski, Lovett, Codding,
& Gordon, 2008; Zucker, Morris, Ingram, Morris, & Bakeman, 2002). There are data
supporting both the validity of later-onset ADHD, and that the age of onset criterion is
too stringent for the diagnosis of adults (Faraone et al., 2006).1 Given that they may
represent obstacles to accurate diagnosis, the factors noted above (among others) suggest
that the current DSM system is neither optimal nor sufficient for diagnosing adults with
ADHD.
As per the criteria set forth in the current DSM-IV-TR (APA, 2000), ADHD is
because the symptoms in the DSM-IV-TR are based solely on child and adolescent
expressions of the disorder (Applegate et al., 1997; Lahey et al., 1994), they are more
difficulty paying attention in class, difficulty sustaining attention, not following the rules,
and being easily distracted (APA, 2000). The symptoms of hyperactivity include
1
This problem may be reduced by the proposed revision to the age of onset criterion for DSM-V,
which is expanded to the presence of characteristic symptoms by age 12 (APA, 2012).
4
fidgeting or squirming in one’s seat, often leaving one’s seat, climbing, running, and
talking excessively; while impulsive symptoms encompass blurting out answers before
questions are completed, difficulty awaiting one’s turn, and interrupting others.
According to the criteria (APA, 2000), the onset of symptoms has to be before age seven,
and must be present in two or more settings, persistent over time, and associated with
inattention have been met but not for hyperactivity/impulsivity), and predominantly
been met but not for inattention; see Appendix B for the full DSM-IV-TR criteria for
ADHD).
As noted above, the current DSM conceptualization of ADHD may not accurately
reflect the way in which the disorder manifests in adults (Barkley, 1998; Barkley et al.,
2008; Conners & Jett, 1999; Faraone et al., 2000; McGough & Barkley, 2004; Murphy &
Barkley, 1996a; Wender, 2000). By and large, however, the presenting complaints in
adults with ADHD “are quite consistent with conceptualizations of the disorder as
211). In adults, inattention may manifest itself in various ways, such as difficulty
space, poor time management, procrastination, and misplacing things (Adler, 2004; Adler
& Cohen, 2004; Barkley, 1998; Barkley et al., 2008; Conners & Jett, 1999; Montano,
talking excessively, and feeling uncomfortable sitting through meetings (Adler & Cohen,
2004; Conners & Jett, 1999; Weiss & Weiss, 2004). Further, symptoms of impulsivity
may manifest by being unwilling to wait in line, poor decision making, impulse shopping,
frequent job changes, driving too fast, being quick to anger, and having a low frustration
tolerance (Adler & Cohen, 2004; Barkley et al., 2008; Conners & Jett, 1999, Montano,
driving. Follow-up studies have shown that adults diagnosed with ADHD, in contrast to
their non-ADHD peers, have less education, more failed classes, higher rates of grade
retention, lower high school graduation rates, and lower rates of college attendance
(Able, Johnston, Adler, & Swindle, 2007; Barkley, Fischer, Smallish, & Fletcher, 2006;
Fischer, Barkley, Edelbrock, & Smallish, 1990; Lambert & Hartsough, 1998; Mannuzza
et al., 1993; Mannuzza, Klein, Bessler, Malloy, & LaPadula, 1998; Marks, Newcorn, &
Hallperin, 2001; Weiss & Hecthman, 1993). Furthermore, individuals with ADHD tend
to be more disruptive at work, are rated by employers as worse in job performance, and
are more likely to be fired or laid off (Barkley et al., 2006; Barkley & Murphy, 1998;
Kessler et al., 2006; Weiss & Hechtman, 1993). Socially, adults with ADHD are said to
2
Among the changes currently being considered for the next revision of the DSM is revising the
description of the symptoms of ADHD so as to better capture the expression of the disorder in adults (APA,
2012).
6
listen less and interrupt more, report more unstable personal relationships (DeQuiros &
Kinsbourne, 2001; Fischer & Barkley, 2006; Murphy & Barkley, 1996a), and have higher
rates of separation and divorce (Biederman et al., 1993; Kessler et al., 2006).
Additionally, they often have difficulties around organization, setting and adhering to
routines, stress tolerance, and mood stability (Adler & Cohen, 2004; Barkley et al., 2008;
Wender, 1995; Wolf & Wasserstein, 2001). Further, individuals diagnosed with ADHD
have been found to have sexual intercourse starting at an earlier age than control groups,
to have more sexual partners, be more likely to have conceived a pregnancy, and are
more likely to have contracted a sexually transmitted disease (Flory, Molina, Pelham,
Gnagy, & Smith, 2006). In addition, adults with ADHD are at a greater risk of using
tobacco, alcohol, marijuana, and other substances (Barkley et al., 2008; DeQuiros &
Kinsbourne, 2001; Kollins, McClernon, & Fuemmeler, 2005; Lambert & Hartsough,
1998; Murphy & Barkley, 1996a; Tercyak, Peshkin, Walker, & Stein, 2002; Torgersen,
Gjervan, & Rasmussen, 2006; Weiss & Hechtman, 1993; Whalen, Jamner, Henker,
Delfino, & Lozano, 2002). Moreover, adults with ADHD have been found to have
engaged in more antisocial activities such as shoplifting, stealing, breaking and entering,
Hartsough, & Lambert, 1999; Barkley, Fischer, Smallish, & Fletcher, 2004; Barkley et
Torgersen et al., 2006). Finally, studies examining department of motor vehicles (DMV)
records have established that adults with ADHD are involved in more motor vehicle
accidents and receive more speeding tickets than their non-ADHD counterparts (Barkley
7
& Cox, 2007; Barkley et al., 2008; Fried et al., 2006; Knouse, Bagwell, Barkley, &
Murphy, 2005).
Comorbidities
psychiatric disorders. Studies have shown that 21 to 53% of adults with ADHD have
some form of substance abuse or dependence (Barkley et al., 2006; Barkley, Murphy, &
Kwasnik, 1996; Kalbag & Levin, 2005; Murphy & Barkley, 1996a; Murphy, Barkley, &
Bush, 2002; Roy-Byrne et al., 1997; Shekim, Asarnow, Hess, Zaucha, & Wheeler, 1990;
Tercyak, et al., 2002). Across their lifetimes, approximately 45% experience alcohol
abuse, 51% cannabis abuse, 49% amphetamines abuses, and 16 % opiate abuses
the adult ADHD population, including 24 to 43% who experience generalized anxiety
disorder (Barkley et al., 1996; Biederman et al., 1993, 2006; Shekim et al., 1990; Weiss
& Hechtman, 1993). With respect to mood disorders, 16 to 31% report symptoms of
depression (Barkley et al., 1996; Biederman et al., 1993, 2006; Fischer, Barkley,
Smallish, & Fletcher, 2002; Roy-Byrne et al., 1997; Weiss & Hechtman, 1993), with 19
to 37% experiencing dysthymia (Murphy et al., 2002; Roy-Byrne et al., 1997; Shekim et
al., 1990). Although research into how ADHD correlates with personality disorders is
complex and mixed, studies have shown that ADHD may contribute to antisocial
personality disorder in 7 to 44% of the adult ADHD population (Biederman et al., 1993,
2006; Fischer et al., 2002; Kessler et al., 2006; Shekim et al., 1990; Torgersen et al.,
impairing disorder has led to an increased demand for assessments of ADHD in adults
(Murray & Weiss, 2001). Also contributing to this trend has been increased media and
web-based attention to the topic of adult ADHD, including the publication of books and
articles, which has increased public awareness of the disorder (Epstein, Conners,
Sitarenios, & Erhardt, 1998; Hallowell & Ratey, 1994; Miller, 1993 as cited in
Biederman, 2004; Murphy & Adler, 2004; Murphy & LeVert, 1995; Roy-Byrne et al.,
1997; Wallis, 1994). Consequently, the number of clients requesting evaluations for
ADHD has increased (Biederman, 2004; McGough & Barkley, 2004; Murphy & Adler,
ADHD (2003), The National Institutes of Health (1998), and the American Academy of
Family Physicians (Searight, Burke, & Rottnek, 2000), have produced guidelines for
assessing adult ADHD. Consistent across these guidelines is the view that the current
including an in-depth clinical interview, review of the client’s records, symptom rating
scales, and psychological testing (Barkley, 1998; Montano, 2004; Murray & Weiss,
2001). The clinical interview can be structured or semi-structured and includes gathering
occupational and social functioning, symptoms of ADHD, and the degree to which these
9
symptoms are interfering with the individual’s functioning (National Resource Center on
ADHD, 2003; Searight et al., 2000). The diagnostic clinical interview also helps
clinicians to identify and rule-out other disorders that may resemble or be comorbid with
ADHD. As noted across these assessment guidelines, clinicians should also gather
information from significant others in the client’s life (e.g., parents, relationship partners,
close friends, bosses) to verify information provided by the client and to collect
additional information (Murphy & Schachar, 2000; Searight et al., 2000). If possible, it
is helpful for the clinician to review relevant records, including those from school, work,
and previous mental health evaluation(s) or treatment(s) in order to more fully understand
the nature and course of the client’s symptoms (American Academy of Child &
term memory, and learning abilities (Barkley, 1998). Finally, rating scales comprise a
Psychiatry, 2007; Stefanatos & Baron, 2007). Because these represent the focus of the
Rating scales are checklists completed by the client or significant other familiar
with the functioning of the individual who is the subject of the evaluation. Hinshaw and
made over relatively lengthy time periods- sometimes as brief as a day, but often periods
of several months” (p. 94), and note them to be a valid means of assessing a client’s
10
disposition. Typically, the respondent indicates the degree to which an item applies to
him/herself or to the client being assessed. Rating scales are characteristically designed
for identifying specific symptoms and behaviors, and for measuring their severity (Rosler
et al., 2006; Silverman & Rabian, 1999). They are often classified as either broad or
narrow band scales (Collett, Ohan, & Myers, 2003). Broad band scales cover a relatively
wide breadth of symptom groups or functional domains; while narrow band scales, such
as those used in the assessment of ADHD, are focused on providing information related
instructions and response formats, and follow guidelines for combining individual items
into subscale and/or total scores (Hart & Lahey, 1999). In most instances, such
Purpose of rating scales. The purpose of rating scales varies depending on goals
of the assessment. These may include (a) screening and diagnosis, (b)
variables, (e) evaluating treatment outcome, and (f) evaluating the role of mediators and
moderators (Jensen & Haynes, 1986). Rating scales for ADHD are typically used to
assess the presence and degree of core and associated symptoms of the disorder. Their
results can clarify the frequency and severity of ADHD symptoms, and help to
substantiate the diagnosis (Murphy & Adler, 2004). Results that constitute clinically
significant departures from the “norm” can typically be determined based on statistically-
11
based thresholds (or “cutoff” scores) that are derived from normative data (Silverman &
Rabian, 1999). While rating scales long ago became a standard component of assessing
ADHD in children (Stefanatos & Baron, 2007), only in the last decade or so have adult
ADHD rating scales been developed, researched, and similarly established as a critical
Advantages of rating scales. Rating scales are invaluable assessment tools for
many reasons. Self- and observer-rated scales provide a way to collect client data in a
relatively quick, useful, and affordable way on a wide range of behaviors, including those
that are rare but important (Rosler et al., 2006). Due to their standardized format and
scoring, rating scales allow data to be collected in a systematic, reliable fashion (Kazdin,
2003; Rosler et al., 2006). As referenced above, rating scales are often normed,
providing a basis for assessing deviance relative to peers, while also making them
measures, rating scales’ results capture the “true” continuous nature of most clinical
phenomena being assessed (including ADHD symptoms). Additionally, rating scales can
information or perspective that can add incremental validity to the assessment and
provide a more comprehensive picture of a client’s functioning (Hart & Lahey, 1999;
Murphy & Schachar, 2000). Finally, rating scales lend themselves to repeated
administration and are thus useful for assessing change over time and/or response to
treatment (Murphy & Adler, 2004). These various strengths associated with rating scales
have contributed to their emergence as valid and widely-utilized tools for assessing adult
Disadvantages of rating scales. Despite these and other strengths, there are
some limitations associated with rating scales. For example, the same standardized,
structured format that enhances the reliability of rating scales also limits their flexibility
(Hart & Lahey, 1999). Although rating scales can cover symptoms or potential problems
more efficiently than an interview, they do so with less depth. For example, they do not
typically yield information about onset, duration, or contextual factors impacting the
biases such as social desirability (i.e., faking good), malingering (i.e., faking bad), halo
effects (i.e., subjective bias), leniency-severity bias (i.e., tendency to rate all items as high
or low), central tendency bias (i.e., rating everything down the middle), and range
restrictions (i.e., using only a portion of the response scale; Hinshaw & Nigg, 1999).
Finally, the validity of rating scales may be affected by factors other than the actual
presence or severity of the target symptoms. For instance, the content, wording or
other who is acutely distressed), or the setting and purpose of the evaluation can all
Evaluating rating scales. The criteria for evaluating rating scales are largely
based on their normative samples and psychometric properties (most notably reliability
and validity; Rosler, Retz, & Stieglitz, 2010; Spiliotopoulou, 2009). The standardization
sample should be adequately large and representative of the target population along
relevant dimensions such as age, socio-economic status, geography, and ethnicity (Frost,
Reeve, Liepa, Stauffer, & Hays, 2007). According to Frost and colleagues (2007), the
normative samples should include at least 200 cases, and results should be replicated in at
13
least one additional sample. User- and/or technical-manuals accompanying rating scales
measures using multiple approaches rather than by a single test (Faries, Yalcin, Harder, &
Heiligenstein, 2001). Since reliability and validity will comprise a substantial portion of
the review of adult ADHD rating scales, they are described further below.
(e.g., a symptom or syndrome) in a consistent and dependable way (Frost et al., 2007;
Ryan, Lopez, & Sumerall, 2001). There are three indices of reliability most commonly
Internal consistency refers to the degree to which each item of a rating scale
measures the same construct (Ryan et al., 2001; Shultz & Whitney, 2005). A scale is
internally consistent to the extent that its items are highly correlated; thus, high inter-item
correlations suggest that the items are all measuring the same construct (DeVellis, 2003).
Cronbach’s alpha is the most commonly used statistic to measure internal consistency.
Alpha scores can range between 0 and 1, with higher scores reflecting greater internal
consistency and the commonly accepted standard being .70 (Faries et al., 2001; Helms,
A measure is said to have test-retest reliability if its results are stable over time
(Morgan, Gliner, & Harmon, 2006), as reflected in an individual receiving similar scores
across administrations given at two different times (Faries et al., 2001). Pearson’s
coefficient is the most commonly used measure for assessing the correlation between
14
scores from different administrations of a given scale (Faries et al., 2001; Frost et al.,
2007; Streiner, 1993). Test-retest reliabilities in the .70s are considered acceptable and
Finally, inter-rater reliability refers to the degree to which ratings collected from
different sources regarding the same client are similar (Streiner, 1993). Thus, two or
more individuals independently evaluating the same client should ideally produce similar
proportion of ratings that were the same across raters) and average squared deviation
from the modal (i.e., averaging the squared difference between ratings and the mode
rating from the entire group; Achenbach, Krukowski, Dumenci, & Ivanova, 2005).
Acceptable values for inter-rater reliability are roughly similar to those for test-retest
inadequate. Ideally, inter-rater reliability coefficients should be in the .70s or low .80s
Validity. A test is valid if it does what it is intended to do (Ryan et al., 2001) and
allows conclusions to be drawn about people who attain various scores on a scale
(Streiner, 1993). Four measures of validity are typically considered when judging
whether a rating scale is psychometrically sound: face, content, construct, and criterion.
A measure is said to have face validity when it simply appears or “looks like” it is
going to measure what it is supposed to measure (Ryan et al., 2001; Streiner, 1993). In
order to achieve the best results, it is best if the respondent can readily see that the scale
Content validity refers to the degree to which the content of the items on a scale
adequately reflect the construct or domain of interest (i.e., ADHD; Shultz & Whitney,
2005). One technique for measuring content validity is to construct a matrix where each
column represents a domain important to the scale (Streiner, 1993). If a question reflects
a certain domain, a check mark is put under that column and each domain should have at
Another form of validity is construct validity, which refers to how well a test
measures the specific theoretical trait that it is intended to assess (DeVellis, 2003; Frost et
al., 2007; Ryan et al., 2001; Trochim & Donnelly, 2008). Construct validity includes
both convergent and discriminant validity (Tyron & Berstein, 2003). First, convergent
validity indicates a correlation between the scale being used and other scales thought to
measure the same construct (e.g., ADHD; Faires et al., 2001; Kazdin, 1995). Pearson’s
correlation coefficient is often used to reflect the relationship between two measures of
similar or related constructs (Ryan et al., 2001). Factor analysis can also be used to
assess convergent validity by determining the degree to which separate measures of the
validity is a correlation between the rating scale measure and some other criterion or
external indicator (Frost et al., 2007; Ryan et al., 2001; Trochim & Donnelly, 2008). For
example, a high score on an ADHD rating scale should be highly correlated with a
diagnosis of ADHD. There are two types of criterion validity: concurrent and predictive.
Concurrent validity is when a test or rating scale correlates well with a measure that has
previously been validated, and both measures are administered at roughly the same time
16
(DeVellis, 2003; Ryan et al., 2001). In this case, the two tests should correlate quite
strongly (viz., .80 or above) with one another (Streiner, 1993). Predictive validity refers
to the extent to which a score or scale predicts a future score on a relatable criterion
measure. Unlike concurrent validity, an interval of time must elapse between the test and
the external criterion (Ryan et al., 2001). The correlation here should be high, at least .60
for research purposes and .85 or higher in clinical settings (Streiner, 1993).
different groups. For example, a valid rating scale for ADHD will discriminate between
those with and without the disorder. With respect to discriminant validity, the correlation
between the two groups should be low, indicating little or no relation (DeVon et al.,
2007; Kazdin, 1995). The ability of a scale to distinguish between different groups is
Accuracy (TCA), Sensitivity, and Specificity (Sparrow, 2010; Taylor, Deb, & Unwin,
2011). TCA measures the percentage of both cases and non-cases correctly classified on
the basis of the rating scale score (Sparrow, 2010; Taylor et al., 2011). Sensitivity refers
to how well a scale identifies individuals as having the target diagnosis (e.g., ADHD)
who do in fact meet criteria for the disorder (i.e., true positives; Khan, Dinnes, & Kleijen,
2001; North Carolina School of Science and Mathematics Statistics Leadership Institute
[NCSSM], 1999; Silverman & Rabian, 1999; Sparrow, 2010). Sensitivity is typically
expressed as the percentage of “cases” (e.g., adults with ADHD) accurately classified on
the basis of their rating scale scores. Specificity refers to how well a scale identifies
individuals who do not have the target diagnosis (i.e., true negatives; Greve & Bianchini,
(e.g., adults without ADHD) accurately classified on the basis of their rating scale scores.
Ideally, a test should have high sensitivity and specificity (NCSSM, 1999), indicating
higher rates of accurate classification; identifying with accuracy the individuals who do
and do not have the diagnosis. For sensitivity, specificity, and TCA, values ranging from
70-79% are considered good, 80-89% very good, and 90% or higher excellent (Sparrow,
2010).
Clinical Utility
Polgar, Reg, and Barlow (2005, as cited in Smart, 2006) define clinical utility as,
“…the ease and efficiency of use of an assessment, and the relevance and
meaningfulness, clinically, of information that it provides” (p. 2). Smart (2006) asserts
drawbacks” (p. 3). Polgar and colleagues identified six core elements to determine
clinical utility, including (a) ease of use, (b) time, (c) training and qualifications, (d)
format, (e) interpretation, and (f) meaning and relevance of information obtained. Based
on the elements described above, some criteria to consider while evaluating rating scales
are availability, price, complete and clear instructions, materials needed, time required for
requirements, acceptable formats for both the client and the clinician, the availability of
Various parent and teacher rating scales for assessing ADHD in children have
been used for many years and have been supported by research on their psychometric
18
properties (Achenbach, 1991a, 1991b, 1991c; Barkley, 1998; Conners, Sitarenios, Parker,
& Epstein, 1998a, 1998b; DuPaul, Power et al., 1998). They have become indispensable
tools in assessing childhood ADHD and have gained widespread use (Barkley, 1988;
Stefanatos & Baron, 2007), becoming the most widely used instruments in assessing
recent phenomenon. One exception is the Wender Utah Rating Scale (Ward, Wender, &
Reimherr, 1993), which was introduced in 1993; however, its utility has been limited by
the fact that its items were not keyed to the DSM-IV-TR criteria for ADHD, as well as
problems associated with the scale’s construction and norms (Spencer et al., 2010). In
the mid to late 1990’s, efforts began to develop well-constructed scales for assessing
adult ADHD with adequate normative samples and items keyed to or inclusive of the
DSM-IV symptoms of the disorder. Since that time, there has been a dramatic increase in
research and clinical activity pertaining to adult ADHD (Murray & Weiss, 2001), and the
development of related rating scales has advanced to the point that such measures have
become a standard and expected component of assessing adults for the disorder.
Clinicians and researchers interested in the assessment of ADHD in adults now have a
variety of choices with respect to rating scales designed for this purpose.
adults. The quality of these assessments depends in part on the development of well-
such scales now exist, clinicians who screen and diagnose ADHD in adults would benefit
from a single, updated source devoted to describing and reviewing the extant scales.
providing limited information, being too narrow in focus, and/or being outdated. For
instance, a recent review chapter by Knouse and Safren (2010) compared only three
rating scales. Reviews by Davidson (2008), Murphy and Adler (2004), and Rosler and
colleagues (2006) have become somewhat outdated and provided only short descriptions
of the covered scales. Taylor, Deb, and Unwin (2011) recently published an article
reviewing scales for identifying adults with ADHD. However, that review was not
that are used predominantly for research purposes. Additionally, a major focus of their
review was on systematically evaluating the quality of studies pertaining to adult ADHD
rating scales, rather than on reviewing each scale in a systematic, narrative fashion.
Thus, there has not been a broad-based, clinician-focused review of the available rating
scales for adults with ADHD in recent years. Because of the emergence of additional
measures (e.g., Barkley, 2011) and relevant data in the interim, along with the lack of
thoroughness associated with extant reviews, there was a need for an updated, more
complete review of the existing adult ADHD rating scales. Therefore, the aim of this
study was to provide a thorough review of the major adult ADHD rating scales currently
available for practicing clinicians. The intent was to provide a general description of
these scales, their factors and subscales, normative data, psychometric properties, and
clinical utility.
20
Method
This study aimed to identify and examine the current rating scales available for
the clinical assessment of adult ADHD. This review provides systematic information on
each scale, including (a) a general description including author(s), date of publication,
and various forms available for administration; (b) scale development, factors, and
scoring; (c) normative data; (d) psychometric properties; and (e) clinical utility. The
procedure for identifying the scales and relevant information is discussed below.
The scales and associated literature reviewed were identified through searches of
the following popular electronic EBSCOhost databases: Academic Search Elite, the
Tests in Print, PsycArticles, PsycINFO, PubMed, and WorldCat. The terms used to
search each database included ADHD, adults, rating scales, measures, diagnosis,
assessment, and screening. Key articles and chapters found during the literature review
were then reviewed to identify existing scales used to assess adult ADHD. Lastly,
websites for major publishers of psychological assessment tools were identified and
reviewed.
In order to best identify scales that were relevant to the clinical assessment of
ADHD in adults, several inclusionary criteria were employed. First, included rating
scales are those intended to assess primary symptoms associated with ADHD in adults
(18 years or older). Second, the scales reviewed are intended primarily for use by
practicing clinicians. Third, they must be available in English (although translations may
be available). Finally, the rating scales must be available either in the public domain or
21
clinicians.
Several exclusionary criteria were also applied. First, rating scales designed
exclusively or predominantly for research applications (e.g., clinical trials) were excluded
from the study. Second, this review excluded any rating scales that required specialized
training. Finally, scales that are not predominantly focused on assessing the symptoms of
ADHD were excluded (e.g., quality of life scales, scales focused on the impact of ADHD
traits).
Once the relevant rating scales that met the inclusionary/exclusionary criteria
were identified, information regarding those scales was collected. First, searches of the
public domain and World Wide Web via search engines such as Google, Google Scholar,
manuals and basic forms. In the event the publishing company turned down the request,
the lead author of the measure was contacted directly in order to request any published,
for descriptive papers regarding these measures, their normative bases, and
psychometrics was conducted which included the following databases: Academic Search
WorldCat. The terms used to search each database included: the name and acronym for
22
each scale, the author(s) of the scale, review, rating scales, norms/normative data,
utility. Finally, existing reviews of adult ADHD rating scales were examined.
23
Results
rating scales that met the inclusionary criteria for the current study. A number of
additional scales were not included in the current review based on the exclusionary
criteria. For example, although the ADHD Rating Scale-IV (DuPaul, Power et al., 1998)
has been used in screening for adult ADHD (Murphy & Adler, 2004), it was excluded
because it was designed to assess ADHD in children and adolescents and is intended to
Power et al., 1998). The Adult ADHD Investigator Symptom Rating Scale (AISRS; also
known as The Adult ADHD Investigator System Report Scale; Kessler et al., 2006), a
clinician-rated version of the Adult ADHD Self-Report Scale (ASRS; Adler, Kessler, &
al., 2009; Biederman et al., 2006; Biederman et al., 2007a, 2007b; Biederman et al.,
2011; Rosler et al., 2006; Spencer et al., 2010; Spencer et al., 2011; Surman et al., 2010).
The Current Symptoms Scale (Barkley & Murphy, 1998) was excluded because it has
recently been supplanted by the Barkley Adult ADHD Rating Scale-IV (BAARS-IV;
Barkley, 2011).
The seven scales reviewed, listed alphabetically, include: (a) the Adult Attention
Deficit Disorders Evaluation Scale (A-ADDES; McCarney & Anderson, 1996a, 1996b,
1996c); (b) the Adult ADHD Self-Report Scale v1.1 Symptom Checklist (ASRS-v1.1;
Adler et al., 2003); (c) the Attention-Deficit Scales for Adults (ADSA; Triolo & Murphy,
1996); (d) the Barkley Adult ADHD Rating Scale-IV (BAARS-IV; Barkley, 2011); (e)
the Brown Attention-Deficit Disorder Rating Scales for Adults (Brown, 1996); (f) the
24
Conners’ Adult ADHD Rating Scales (CAARS; Conners, Erhardt, & Sparrow, 1999);
and (g) the Wender Utah Rating Scale (WURS; Ward et al., 1993).
The narrative review for each scale is divided into five sections: (a) general
description; (b) scale development, derived factors, and scoring; (c) normative data; (d)
psychometric properties; and (e) clinical utility. First, the general description covers
information such as the author(s) of the scale, the publisher (where applicable), the date
of publication, and the forms available for administration (including the number of items
on each form, the response format, the time frame assessed, and administration time).
Second, the scale’s development and derived factors are presented. This section also
includes a short description on how the scale is scored. Third, the normative data is
described for the available versions of each scale, including sample size, age ranges, and
ethnic composition (when available). Fourth, the psychometric properties of each scale
are reviewed. Depending on what has been established for each scale, these properties
may include internal consistency, test-retest reliability, and inter-rater reliability, as well
as construct validity (including sensitivity and specificity) and criterion validity. Finally,
in the fifth section, the clinical utility of each scale is discussed including information on
Accompanying the narrative review are two tables. Table 1 (see Appendix C)
includes selected descriptive information regarding each scale, such as the scale name,
author(s), publisher, forms(s), normative sample, factors, and response format. Table 2
review is reported using evaluative labels (based on guidelines presented in the text),
McCarney and Anderson. The A-ADDES (McCarney & Anderson, 1996a, 1996b,
1996c) comprises three separate versions (each with its own manual): self-report, home,
and work. The home and work versions are both “observer” report forms to be
report version includes 58 items, the home version has 46 items, and the work version has
54 items. All three versions use the same Likert scale response format: (0) do not engage
in the behavior, (1) one to several times per month, (2) one to several times per week, (3)
one to several times per day, and (4) one to several times per hour. The forms do not
specify a time-frame within which respondents are to rate the target individual. Each
Scale development, derived factors, and scoring. The items and scales that
compose the A-ADDES are based on the DSM-IV definition of the disorder. Each DSM
symptom is represented although the wording of the items may not reflect the
corresponding DSM symptoms verbatim. The 58 items on the self-report version were
psychiatrists and psychologists working with adults with ADHD. Two subscales,
were initially rationally-derived for all three versions. These factors were later
empirically confirmed by factor analysis (McCarney & Anderson, 1996a, 1996b, 1996c).
The raw scores for the two subscales are converted to standard scores and
percentiles using gender and age group conversion tables. A total score is determined by
adding the two subscale standard scores and converting the sum to a percentile
(McCarney & Anderson, 1996a, 1996b, 1996b). The standard scores for the subscales
have a mean of 10 and a standard deviation of 3; scores between 7 and 13 are considered
to fall within the normal range, scores between 4 and 6 indicate significant difficulties
with ADHD symptoms, and scores in the range of 0 to 3 represent extreme difficulties
Normative data. The self-report version was based on a U.S. normative sample
of 2,204 adults representing 45 states and ranging in age from 18 to over 71 years old
(McCarney & Anderson, 1996b). The sample consisted of more women than men (69%
vs. 31%) and overrepresented persons who are Caucasian, from the northeastern U.S.,
and college graduates. The home version was normed on 2,003 U.S. adults, aged 18 to
65 years and over. There were less males than females (36% vs. 64%), and an
overrepresentation of Caucasians, individuals from the north central United States, and
those with college experience or degrees (McCarney & Anderson, 1996a). The work
version was normed on 1,867 U.S.-based adults ranging in age from 18 to 65 plus, with
31% being male and 69% female. The latter normative sample overrepresented females,
Caucasians, persons from the north central United States, and those with college
internal consistency and test-retest reliability (as assessed over a 30 day period;
McCarney & Anderson, 1996b).3 4 Internal consistency for the home version has also
been found to be excellent, with test-retest reliability in the good to excellent range
spouses, significant others, and parents) was found to be in the poor to good range, with
an average inter-rater correlation in the fair range. The work version of the A-ADDES
also has excellent internal consistency and test-retest reliability (as assessed over a 30 day
period; McCarney & Anderson, 1996c). Inter-rater reliability coefficients for this version
Construct validity, as examined by factor analysis, has been reported for all three
versions (McCarney & Anderson, 1996a, 1996b, 1996c). The correlations among
subscale raw scores were highly significant. For the self-report version, factor analysis
revealed that the Inattention subscale is made up of two main axes representing
organization skills and task management (Axis I), and listening skills (Axis II). As would
be expected, the two main axes found to make up the Hyperactive-Impulsive subscale are
3
The following guidelines are used throughout this review to evaluate internal consistency
reliabilities (Cicchetti & Sparrow, 1990): <.70 “unacceptable”, .70-.79 “fair”, .80-.89 “good”, and >.90
“excellent”. Other reliability and validity data are evaluated as follows (Cicchetti, 1994): <.40 “poor”, .40-
.59 “fair”, .60-.74 “good”, and >.75 “excellent”. Of note, such general guidelines, while useful for
summarizing data, have limitations given that the thresholds (e.g., for acceptable/unacceptable values) vary
across tests and applications. For some psychometric considerations, there is more consensus regarding
desirable values. For example, internal consistency is generally expected to be in the .80 or above range for
most measures. For test-retest reliability pertaining to traits or characteristics that are assumed to be stable,
coefficients in the .80 range are expected over brief intervals, whereas .60 is regarded as acceptable for
longer periods (Collett et al. 2003).
4
For more specific data, please see Table 2.
28
Diagnostic (discriminant) validity was examined for the self-report and home
versions by using a random sample from the normative group (McCarney & Anderson,
the mean total subscale scores of the ADHD group were significantly lower (reflecting
higher symptom levels) than those of the randomly selected non-ADHD group (Kitchens,
2001; McCarney & Anderson, 1996a, 1996b, 1996c; Reed, 2001). Diagnostic sensitivity,
specificity, and total classification accuracy are not reported for the A-ADDES
Clinical utility. The self-report, home, and work versions of the A-ADDES are
presented in separate manuals. The manuals provide clear instructions for administration
and scoring. Although these scales do not specify a time-frame for assessing the
behaviors of interest, they are otherwise easy to use for both clients and clinicians. All
three versions are available only in paper format; there is no online administration or
computerized scoring. The A-ADDES takes relatively little time to administer (viz., 15-
20 minutes) and can be used for screening purposes, diagnostic assessment, and for
treatment planning (McCarney & Anderson, 1996a, 1996b, 1996c). The A-ADDES is
available through Hawthorne Educational Services. The complete kit (including all three
versions plus an interventional manual) costs $226. The separate manuals cost $21 each,
Checklist (ASRS) was developed by Adler, Kessler, and Spencer in 2003. The World
Health Organization holds the copyright and has made the scale available in the public
29
scale, but instructions for its clinical use are available on the website. There are two
versions of the ASRS: a 6-item screening version (referred to as Part A) and an 18-item
version (containing the 6 items from the screening version and an additional 12 items that
are referred to as Part B). The 18-item version (Parts A and B) reflects all of the DSM-
IV symptoms of ADHD, although their wording has been changed to more accurately
reflect the presentation of the disorder in adulthood. The respondent rates him or herself
on each question indicating which of the following labels best describes how he or she
has felt or behaved over the past six months: (0) never, (1) rarely, (2) sometimes, (3)
often, and (4) very often. There are no collateral or other informant-report versions of the
ASRS available. The 18-item version of the ASRS takes approximately five minutes to
complete whereas the 6-item screener version takes about two minutes.
Scale development, derived factors, and scoring. The ASRS was originally
(WHO) Mental Health Initiative surveys to obtain more accurate estimates of the
prevalence of adult ADHD (Kessler, Adler, Ames et al., 2005; Kessler & Ustun, 2004).
An advisory group of clinical experts in adult ADHD assembled by the WHO noted that
existing adult ADHD scales failed to include all DSM-IV Criterion A symptoms or used
questions that were judged to be inadequate. As a result, the decision was made to
develop a new self-report measure of adult ADHD (Kessler, Adler, Ames et al., 2005).
Two board certified psychiatrists and the advisory group generated questions about the
symptoms of ADHD as they are typically expressed among adults with ADHD, and
mapped these onto each of the 18 DSM-IV criterion A symptoms. The resulting ASRS
30
contains the eighteen DSM-IV items (9 inattention and 9 hyperactivity) that are re-
worded to more accurately reflect the presentation of the disorder in adulthood. In order
to develop the ASRS screener, logistic regression analysis was used to identify six items
that most accurately predicted ADHD. The screener has four inattention items and two
hyperactivity items (Rosler et al., 2006). The response format for all items is a 5-point
Likert scale ranging from 0 to 4 (Rosler et al., 2006), corresponding to the nominal labels
Ames, and colleagues (2005) identified thresholds for each item based on data from the
differentiated a positive symptom, whereas for the remaining 11 items, a rating of “often”
(a score of 3) or higher represented the best cut-off. These thresholds are represented on
the ASRS forms with gray boxes. Subsequently, these same authors recommended
adding up the total score (of items rated 0-4) rather than counting responses that exceed
the aforementioned thresholds (i.e., those in the gray boxes; Kessler et al., 2007). Once
the items are summed, a client’s score is regarded as clinically significant if the total
score is 14 or higher on the screener and 21 or higher on the full version (Kessler et al.,
Normative data. The normative sample for the ASRS consisted of 154 U.S.
adults ranging in age from 18 to over 71 years from the National Comorbidity Survey
Replication (NCSR; Kessler, Adler, Ames et al., 2005). The participants were divided
into four groups: (1) those who denied any childhood symptoms of ADHD, (2) those who
reported at least some childhood symptoms of ADHD but were classified as not meeting
31
full criteria, (3) those who were classified as meeting criteria in childhood but who
denied any current adult symptoms, and (4) those who were classified as meeting criteria
in childhood and who reported having some current adult symptoms. Kessler, Adler,
Ames, and colleagues (2005) reported that the sample distribution closely matched 2000
census population estimates on a variety of demographic variables, but specific data were
not provided.
screener version outperformed the full 18-item version in sensitivity, specificity and total
classification accuracy (Kessler, Adler, Ames et al., 2005); thus, subsequent reliability
and validity studies focused on the screener version of this scale. The internal
consistency for the ASRS pilot version (18-item) was good (Adler et al., 2006), and was
in the unacceptable to fair range for the screener (Kessler et al., 2007). Subjects re-took
the screener one to three months later and test-retest reliability was in the fair to excellent
The ASRS has been shown to have good concurrent validity (Adler et al., 2006).
Adler and his colleagues compared the clinician-administered version of the scale to a
pilot version of the ASRS and found excellent intraclass correlation coefficients for total
ADHD symptoms. Kessler also found the ASRS’ concurrent validity to be in the
excellent range when correlated with a clinical interview, the Adult ADHD Clinician
Diagnostic Scale (ACDS v1.2; Kessler et al., 2007). Regarding discriminant validity,
based on analyses conducted with the normative sample, the screening version of the
32
ASRS has poor sensitivity5, excellent specificity, and excellent total classification
with substance use problems, sensitivity and specificity were all very good (Luty et al.,
2009).
Clinical utility. As there is no manual for the ASRS, instructions on scoring are
provided online, clinicians may want to reference various articles, including those by the
scale’s authors (Adler et al., 2006; Kessler, Adler, Ames et al., 2005; Kessler et al., 2007;
Knouse & Safren, 2010). The ASRS takes little time to administer (viz., 2-5 minutes)
and can be used for screening, diagnosis of ADHD, and possibly for evaluating treatment
effects, based on its reported use in research studies to track treatment-related changes
(Adler et al., 2009; Knouse & Safren, 2010; Surman et al., 2010). Although there is only
Chinese, Danish, Dutch, English, Finnish, French, German, Hebrew, Japanese, Korean,
Norwegian, Portuguese, Russian, Spanish, and Swedish. The ASRS is only available
online and can be printed in PDF format. It cannot be administered or scored online.
developed by Triolo and Murphy and was first published by Brunner/Mazel in 1996.
Currently, the ADSA is only available through Psychology Press. The measure includes
5
The following guidelines are used throughout this review to evaluate discriminant validity data
pertaining to sensitivity, specificity, and total classification accuracy (TCA; Sparrow, 2010): 70-79%,
“good”, 80-89% “very good”, 90% or higher “excellent”. Because Sparrow does not provide labels for
classification percentages under 70%, the following will be used to supplement those noted above: 60-69%
“fair” and <60% “poor”.
33
only a self-report form which contains 54 items. Responses are given on a five-point
Likert scale with the following anchors: never, seldom, sometimes, often, or always. The
form does not specify a time-frame within which respondents are to rate themselves, and
common troubles among children might manifest in adulthood [and developed themes to
create potential scale items reflecting] behavioral, cognitive, and emotive dispositions
that would be expected of adults with attention related problems” (Triolo & Murphy,
1996, p. v). This resulted in the following nine conceptually-derived factors: (a)
coordination, (e) academic theme, (f) emotive, (g) consistency-long-term, (h) childhood,
and (i) negative-social (Triolo & Murphy, 1996). As a validity check, the ADSA also
responding. It is based on four pairs of items that have similar content where consistent
answers would be expected. The authors do not reference efforts to ensure that the DSM
criteria items are included in the scale. Whereas some of these criteria for ADHD are
represented (e.g., feeling restless, following directions, finishing projects), others are not.
To score the ADSA, raw scores for each subscale are calculated, as well as the total raw
score. The raw scores are then converted into T-scores and percentile ranks.
Normative data. The normative sample for the ADSA comprised 306 U.S.-
based adults (139 females and 167 males), with a mean age of 33.95 (age range
unreported). Most of the participants came from the northeastern and southeastern
34
regions of the U.S. With respect to ethnicity, the manual reports the following
breakdown: Caucasian (82%), African-American (14%), Asian (1%), Hispanic (2%), and
internal consistency, Cronbach’s alpha coefficients for the nine subscales range from
unacceptable to good, suggesting that some interpretive caution is warranted for certain
subscales (e.g., academic theme and childhood subscales; Triolo & Murphy, 1996). The
ADSA has also been reported to have excellent internal consistency in a sample of
outpatient substance abusers (West, Mulsow, & Arredondo, 2003). The current review
was unable to identify any test-retest and inter-rater reliability data for the ADSA (Triolo
West and colleagues (2003) assessed the concurrent and construct validity of the
ADSA by comparing the ADSA with a second (unidentified) measure comprised of the
items). The total ADSA score was significantly correlated with all three DSM-IV
validity, a step-wise discriminant analysis was conducted utilizing the nine subscales to
predict membership into a “normal” (non-ADHD) or “clinical” (ADHD) group (Triolo &
Activity, and Negative Social) demonstrated very good sensitivity, excellent specificity,
Clinical utility. The ADSA has a manual for scoring and interpretation; however,
(e.g., with respect to information provided on the normative sample, time required to
administer the scale, and psychometric data). Considering the number of items (54), the
ADSA should take relatively little time to administer and, despite some DSM-IV
symptoms of ADHD not being represented, can aid in the diagnosis of ADHD. There is
forms. The manual and scoring sheets are only available from Psychology Press in the
meant to supplant the Current Symptoms Scale (CSS: Barkley & Murphy, 1998; R.
Barkley, personal communication, October 3, 2011). There are two self-report versions
of the BAARS-IV: one for current symptoms and functioning and a second for recall of
childhood symptoms and functioning. The current symptoms self-report version has 30
items and the childhood symptoms self-report version has 20 items. There is also an
other-report version for both the current symptoms (30 items) and childhood symptoms
(20 items) scales. The BAARS-IV also contains a quick screen for both the self-report
and other-report. Both quick screens contain eight questions regarding current symptoms
On the current symptoms scales (both self- and other-report), 27 of the 30 items
are rated on a 4-point Likert scale: (1) never or rarely, (2) sometimes, (3) often, and (4)
very often. This same 4-point scale is used for the 18 items on the self- and other-report
forms of the childhood symptoms scales that correspond to the DSM-IV symptom criteria
for ADHD, and for the screener versions (both self- and other-report). Each current
symptoms scale (self-report, other-report, and screener) has three additional questions.
The first two ask the informant to identify whether any symptoms were endorsed with a
score of three or above (“often” or “very often”), and if so, to specify their age of onset.
The third question asks the informant to indicate in which of the following settings those
symptoms impair functioning: school, home, work, and social relationships. The
childhood symptoms scales (self-report, other-report, and screen) contain two additional
questions: whether a score of three or above (“often” or “very often”) was endorsed and,
if so, the settings in which those symptoms impaired functioning (school, home, and
social relationships).
and screen) are to be based on the client’s functioning over the past six months. The
based upon the client’s functioning between the ages of 5 and 12 years of age. The
longer versions of the scales take approximately five to seven minutes to complete,
evolved from previous scales developed by its author and his colleagues (Murphy &
Barkley, 1996a; Murphy & Barkley, 1996b). The item pool for the BAARS-IV consisted
37
of the 18 DSM-IV symptoms along with a question concerning the estimated onset of
symptoms and whether or not they resulted in impairment in several major functional
domains. The 18-items from the DSM-IV are slightly modified in language to better fit
replaced with “fun”). New to the BAARS-IV is the addition of nine items for evaluating
the symptoms of sluggish cognitive tempo (SCT; Barkley, 2011). Sluggish cognitive
tempo refers to a set of additional symptoms that the scale’s author believes characterizes
a subset of adults who are often diagnosed with inattentive type. SCT includes symptoms
slow movement, lethargy, apathy, and sleepiness (Barkley, DuPaul, & McMurray, 1990;
Carlson & Mann, 2002; Diamond, 2005; McBurnett, Pfiffner, & Frick, 2001; Milich,
Balentine, & Lynam, 2001). SCT symptoms show strong associations with internalizing
symptoms, social withdrawal (Garner, Marceaux, Mrug, Patterson, & Hodgens, 2010;
Milich et al., 2001; Penny, Waschbusch, Klein, Corkum, & Eskes, 2009), impairments in
executive functioning, and poor sustained attention (Wahlstedt & Bohlin, 2010).
scores based on the results of a factor analysis conducted on the 27 symptom items (18
DSM-IV + 9 SCT) using 1,249 adults in the normative sample (Barkley, 2011). The
analysis of the current symptoms scale yielded four factors: inattention, SCT,
development of the quick screen, logistic regression analyses were used to identify the
38
ADHD symptoms (current and childhood) which best discriminated the ADHD group
For scoring, any item answered “often” (3) or “very often” (4) is considered
clinically significant (Barkley, 2011). Using the conversion tables provided in the
manual, raw scores are converted into percentiles for each of the factors. No standard
scores are derived. For the current symptoms scale, the table is divided into five sections:
and impulsive scores), and SCT. For childhood symptoms, the table has three sections:
hyperactive-impulsive scores). Generally, scores above the 76th percentile are considered
symptomatic, and scores at or above the 99th percentile are considered markedly or
higher (based on items being endorsed as present “often” or “very often”) on current
virtue of being at or beyond the 93rd percentile of the normative group. A symptom count
of 5 or higher for the current ADHD total score is considered clinically significant (93rd
percentile). Representing the same threshold levels, the following symptom counts
With respect to age of onset, experiencing symptoms before 16 years of age is considered
clinically significant.
39
Normative data. Only the self-report versions of the BAARS-IV (current and
childhood) are normed (i.e., norms have not been collected for the other-report forms;
Barkley, 2011). The self-report versions are based on a U.S. normative sample of 1,249
adults ranging in age from 18 to 70+. The sample comprised 623 males (age range: 18-
93 years; mean age: 49.7 years) and 626 females (age range: 18-96 years; mean age: 49.8
years). The sample is roughly proportionate to the 2000 U.S. Census estimates with
respect to gender, ethnicity, income, marital status, and employment status (though it
slightly under-represents those having less than a high school education, African-
self-report versions of the BAARS-IV for current and childhood functioning (Barkley,
2011). The internal consistency data for the current self-report version ranges from fair
to excellent, with internal consistency for the total score falling in the excellent range.
reliability was assessed with 62 adults, retaking the BAARS-IV after two to three weeks,
and ranged from good to excellent for both the current symptoms scale and the childhood
symptoms scale. Although inter-rater reliability has not yet been assessed for the
BAARS-IV, it was evaluated in an earlier study using a prototype version of the BAARS-
IV (P-BAARS; Barkley et al., 2008). The P-BAARS contained the 18 items of ADHD
from the DSM-IV and used a similar 4-point Likert response scale (scored 0-3 instead of
1-4); however, the P-BAARS did not contain the SCT symptoms. Based on the P-
BAARS, correlations between self- and other-ratings for current ADHD symptoms were
good. The inter-rater reliability for the childhood symptoms was fair to excellent. In
40
addition, Barkley, Knouse, and Murphy (2011) compared the correspondence between
self and informant ratings for each ADHD dimension (inattention, hyperactivity-
impulsivity, and total impairment scores) on the P-BAARS-IV. The analyses were
repeated to include men versus women and then separately for each of the three major
excellent agreement between self and others on current functioning, with slightly lower
(but still fair to excellent) levels of agreement between self and parent ratings on
childhood functioning.
between the P-BAARS and the Conners’ Continuous Performance Test (CPT) scores to
amount of their variance with the BAARS-IV subscales. Further, the P-BAARS and/or
BAARS-IV have been found to correlate significantly with a variety of variables known
impairment (Barkley, 2011). The BAARS-IV manual also reports divergent validity
findings (Barkley, 2011). There were very low correlations between self-ratings from the
P-BAARS and both academic achievement skills on the Wide Range Achievement Test
(WRAT) and IQ scores (Barkley et al., 2008). Regarding criterion validity, the P-
BAARS was found to correlate highly with a structured clinical interview (un-named;
Barkley, 2011).
41
manual (Barkley, 2011). However, Barkley and colleagues (2008) found that just one
inattention symptom (easily distracted by extraneous stimuli) from the 18 DSM-IV items
percentages for both groups were in the excellent range). Childhood symptoms were also
evaluated to determine their ability to discriminate an ADHD group from the community
control group. When using six of the 18 symptoms, there was excellent sensitivity and
administration or scoring. The BAARS-IV takes relatively little time to administer (viz.,
5-7 minutes) and can be used for screening for ADHD, as part of a comprehensive
recommends using the ADHD total score; Barkley, 2011). There are multiple versions of
the BAARS-IV: current symptoms, childhood symptoms, and a quick screen, each with
self- and other-report versions. The manual, which also includes an interview version of
the scale, is available through Guilford Press for $149. Purchase of the manual carries
with it permission to photocopy the scales, meaning there is no additional cost for the
manual addresses both the adolescent and adult versions of the scale.6 The BADDS for
collateral informant (e.g., parent, significant-other, friend) can offer verbal feedback on
the scale. To accommodate such input, there are two rows of scoring for each item: one
to record the client’s responses and another for any responses from a collateral informant.
Despite their potential clinical value (Muniz, 1996), these collateral responses are not
formally scored. The respondent indicates how much the listed feeling or behavior has
been a problem in the last 6 months on a 4-point Likert scale: (0) never, (1) once a week
or less, (2) twice a week, and (3) almost daily. The administration time for the BADDS
is approximately 10 to 20 minutes.
Scale development, derived factors, and scoring. Brown noted the main
purpose of developing the BADDS was to “tap for a range of symptoms beyond the
‘inattention’ criterion for ADHD in the DSM-IV” (Brown, 1996, p. 1). In addition to the
DSM-IV inattention symptoms, the BADDS aims to assess for cognitive and affective
impairments associated with ADHD (Brown, 1996). The scale includes the nine DSM-
IV “inattention” items (with some slightly rephrased descriptions to better reflect the
frequently associated with attention-deficit disorders (ADDs), but not included in the
DSM criteria (Brown, 1996). The BADDS consists of five conceptually-derived factors
or symptom clusters based on Brown’s model of ADD (Brown, 1995) rather than the
DSM conceptualization of the disorder. The five clusters are: (a) organizing and
activating to work, (b) sustaining attention and concentration, (c) sustaining energy and
6
Although the Brown ADD Scales comprise both an adolescent (12-18 years old) and adult (>18)
scale, only the Brown ADD Scale for Adults is included in the current review.
43
effort, (d) managing affective interference, and (e) utilizing “working memory” and
accessing recall. The BADDS does not contain any factors that assess for hyperactivity
For scoring, the examiner sums the raw scores for all five clusters, and adds these
scores together to reach a total composite score. The author recommends a raw score of
50 (not a T-score) on the total score as the clinical cut off suggesting a significant
possibility that the person will meet diagnostic criteria for ADD (Brown, 1996; Kaufman
& Kaufman, 2001). The raw scores for the five clusters and the total score can also be
converted to T-scores.
Normative data. The normative data on the BADDS were collected in two
phases. The first phase consisted of 100 adults: 50 who had sought evaluation for
attentional problems and met DSM-III criteria for ADD and 50 nonclinical adults who
were matched for age and socioeconomic level. In phase two, the scale was administered
to 123 adults who were seeking consultation for attentional problems, and 93 nonclinical
adults matched for age and socioeconomic status (SES). Combined, the adult normative
sample included 142 adults in the clinical group and 143 adults in the nonclinical
comparison group. Both samples ranged in age from 18-40+, with no upper age limit
provided (Brown, 1996). Compared to the 1990 U.S. census data, the ADD sample
contained more males (61%), tended to have a higher IQ, and lower SES. The
According to the author, the total symptoms reported by adults in the clinical sample did
not differ according to gender, age, SES, IQ, or the presence or absence of hyperactivity
(Brown, 1996).
44
(Brown, 1996), with an overall Cronbach's coefficient alpha in the excellent range for the
combined sample. The intercorrelation of the five clusters ranged from unacceptable to
good (Brown, 1996; Kooij et al., 2008); however, the correlations from the Brown data
were based on the combined clinical and nonclinical samples and therefore may be
unduly high (Kaufman & Kaufman, 2001). The correlation(s) of cluster scores with total
scores were fair to good (Brown, 1996). Test-retest reliability and inter-rater reliability
data were not reported in the manual for the adult scale (Brown, 1996).7 However, Kooij
validity of various adult ADHD rating scales, examined the inter-rater reliability (which
was also construed as reflecting convergent validity) of the BADDS. The inter-rater
reliability of the BADDS was in the fair to good range, generally indicating low
agreement between patient and partner in the measurement of the five clusters of the
BADDS) on three subtests relevant to ADD impairments (Brown, 1996). Three indices
Similarities), Spatial index (Picture Completion + Block Design + Object Assembly), and
Concentration index (Digit Span + Arithmetic + Digit Symbol). Adults with ADD
7
BADDS for Adolescents was re-administered to nonclinical comparison group (n = 75) two
weeks after initial administration, and the test-retest correlation was .87. Adolescent-parent inter-rater
reliability coefficient was .84 for the adolescent scale.
45
Scale (WAIS) that have shown to be correlated with ADDs (Brown, 1996). The adults
with ADD showed significant differences among these indices, with the concentration
index lower than the other two indices, and differences between spatial and concentration
DSM-III criteria for ADD were compared to 143 nonclinical adults matched for age and
socioeconomic status. A significant group difference was found as the overall total T-
scores for the adults with ADD averaged 47 points higher than for the comparison group.
Sensitivity and specificity were excellent when using a cut score of 50 (raw; adjusted for
Clinical utility. The BADDS manual provides clear instructions; however, users
interested in only the adult version may encounter difficulties locating pertinent
information due to the manual’s combined and alternating coverage of both the
adolescent and adult versions. The BADDS takes relatively little time to administer (viz.,
10-20 minutes), and can be used for initial screening of ADHD, more thorough
assessment, and monitoring outcomes pertaining to ADHD features in the inattention and
executive functioning domains. Since the BADDS is based on the inattention and
executive functioning domains, the measure is limited with respect to its use as a
subtypes. The BADDS can only be administered in paper form, but software scoring is
on the form, such information is not used in formal scoring, and there are no normative
data for such reports. The Brown Complete Kit for Adolescents and Adults is available
through Pearson for $246.95, or $419.30 with the scoring assistant. The manual alone is
$250.
1999. The CAARS contains two types of forms: self-report (CAARS-S) and observer-
ratings (CAARS-O). Within each of the two types, there are three versions: long, short,
and screening. The long versions (CAARS-S:L and CAARS-O:L) have 66 items. The
short versions (CAARS-S:S and CAARS-O:S) have 26 items, and are used when
over time are needed (e.g., treatment monitoring). Finally, the screening versions
For the self-report forms, the respondents are asked to rate their own experiences.
The observer forms contain the same set of items developed for the self-report forms,
although the instructions ask the respondent to rate a specific person. Both the self- and
observer-report forms utilize a 4-point Likert-scale format: (0) not at all, never, (1) just a
little, once in a while, (2) pretty much, often, and (3) very much, very frequently. Each
form asks how much or how frequently each item describes either oneself (self-report
forms) or the target person (observer-report forms) “recently.” Administration time for
47
the long forms is approximately 30 minutes, while the short forms and screening versions
Scale development, derived factors, and scoring. To develop the CAARS, the
authors created an item pool that tapped a cross-section of symptoms related to adult
ADHD based on the DSM-IV symptom criteria for ADHD, the Conners’ Rating Scales-
Revised for Children and Adolescents, and the current conceptualizations of adult ADHD
(Conners et al., 1999). The CAARS does contain items that reflect all of the DSM-IV
symptoms; however, the DSM-IV criteria symptoms are not reproduced verbatim as
wording was altered in order to better reflect the manifestation of those symptoms in
adults. The initial pool of 93 items (later pared down through factor analysis) was related
control, (d) problems with executive functioning, (e) problems with memory, (f)
problems with self-concept, (g) interpersonal problems, (h) problems with learning, and
The long forms of the CAARS contain 66 items that combine to yield scores on 9
subscales (Conners et al., 1999). There are four factor analytically-derived scales that
(12 items, Scale A), hyperactivity/restlessness (12 items, Scale B), impulsivity/emotional
lability (12 items, Scale C), and self-concept (6 items, Scale D). Additionally, there are
three DSM-IV ADHD symptom measures that assess ADHD symptoms according to the
criteria listed in the DSM-IV. Following the DSM-IV classification scheme, nine items
constitute the inattentive subscale (Scale E), nine items constitute the hyperactive-
48
impulsive subscale (Scale F), and the sum of the two subscales constitutes the DSM-IV
Symptom Scale (Scale G). The ADHD Index (12 items) contains the best set of items for
distinguishing adults with ADHD from non-clinical adults (Scale H). As a validity
check, the CAARS also includes a response inconsistency measure useful in identifying
random or careless responding. It is based on eight pairs of items that have similar
The CAARS short forms contain 26 items that combine to yield scores on 6
subscales (Conners et al., 1999). Four abbreviated factor-derived scales are subsets of
The short forms also contain the ADHD Index and Inconsistency Index.
The screening forms have 30 items and yield scores on the three DSM-IV ADHD
symptoms subscale (9 items), and a total ADHD Symptoms subscale. The screening
For all the subscales, including the ADHD Index, raw scores can be converted to
T-scores and/or percentiles (Conners et al., 1999). According to the manual, a T-score
above 65 represents clinically significant symptoms in a “high base rate” group (e.g.,
those presenting to a mental health clinic) whereas T-scores of 70 or above can be used to
infer clinically significant problems (and a possible ADHD diagnosis) in a “low base
rate” group (e.g., adults without identified problems). Score profiles are specific to
gender and age group (18-29 years, 30-39 years, 40-49 years, and 50+). Regarding the
inconsistency index, for each eight pairs of scores the absolute difference between the
49
two scores is summed (Conners et al., 1999). A score of eight or greater should be
treated as atypical in terms of response consistency and raise questions regarding the
adults from several locations in the U.S. and Canada (Conners et al., 1999).8 The
normative sample for the CAARS self-report forms (long, short, and screening) consists
of 1,026 adults (446 men and 560 women) ranging in age from 18-80 years. The mean
age for men was 38.99 years and the mean age for women was 38.84 years. The DSM-
IV ADHD Symptom subscales were developed later, and have a smaller normative
sample (n = 144, 57 men, 87 women, for ages 18-39 years and n=82, 39 men, 43 women,
for 40+ years). The normative sample for observer forms (long, short, and screening)
consists of 943 adults (433 men, 510 women) ranging in age from 18-72 years. The
mean age of men was 38.04 years and mean age of women was 39.40 years. As noted for
the self-report forms, because the DSM-IV ADHD Symptom scale was also developed
later in the process, it has a smaller normative sample consisting of 150 adults (77 men,
73 women) for ages 18-39 years, and 69 adults (28 men, 41 women) for those 40 years
and over. The authors found significant differences for age and gender which is why the
CAARS’ T-scores are based on separate gender and age normative data. The manual
does not provide information regarding the ethnic composition of the normative samples.
Hyperactivity, Impulsivity, and Self-Concept) was in the good to excellent range for both
8
A separate set of norms for the CAARS were collected on a correctional sample numbering 509
for the self-report version and 220 for the observer-report version. Information regarding this normative
sample and the psychometric data emerging from it are not reviewed here, but can be obtained from
Conners, Sparrow, and Erhardt (2004).
50
males and females (Erhardt, Epstein, Conners, Parker, & Sitarenios, 1999). Others have
found the internal consistency of both self- and other-ratings on the CAARS to be in the
fair to excellent range (Adler et al., 2008; Kooij et al., 2008). Test-retest reliabilities
were excellent for both the self-report and other-report versions (Conners et al., 1999;
reports were in the fair to good range (Conners et al., 1999; Kooij et al., 2008), and fair to
excellent range (Adler et al., 2008). Kooij and colleagues (2008) found the highest
agreement was for the clusters pertaining to problems with self-concept and
impulsivity/emotional lability, while the lowest level of agreement was for the DSM-IV
observer-ratings on the cluster indices were poor to good (Van Voorhees, Hardy, &
Kollins, 2011).
having subjects complete the Wender Utah Rating Scale (WURS) and the CAARS-S:L.
The WURS total score and the CAARS-S:L subscales were significantly correlated. The
CAARS manual also cites the generally moderate to high correlations between self-report
Convergent validity was verified by Belendiuk, Clarke, Chronis, and Raggi (2007) who
Discriminant validity for the CAARS-S:L was determined using two groups of
adults (Erhardt et al., 1999). The first group consisted of 39 adults (23 males, 16
females) who met DSM-IV criteria for adult ADHD according to a modified semi-
structured interview. The second (control) group consisted of 40 normal adults randomly
selected and matched on the basis of age and gender. The ADHD group scored
significantly higher than the non-clinical group on all four of the CAARS factor-
the combined clinical and control samples, sensitivity, specificity, and total classification
accuracy (TCA) were all found to be very good. Further, two groups of adults were used
to cross-validate the ADHD Index (Conners et al., 1999). Sensitivity, specificity, and
TCA of the ADHD Index were good. Van Voorhees and colleagues (2011) researched
the sensitivity and specificity between the self- (CAARS-S) and other-rating scales
greatest sensitivity and the Impulsivity/Emotional Lability Index provided the least.
However, the specificity of the DSM-IV Inattentive Symptoms Index was the lowest
among the clusters, and specificity of the Impulsivity/Emotional Lability Index was
among the highest. The Conners’ ADHD Index was the most effective in detecting both
positives and negatives, compared to the other indices. Combining the self and observer-
ratings reduced the sensitivity of the scales, but increased specificity. In a separate study
CAARS’ sensitivity was found to be excellent and its specificity was very good (Luty et
al., 2009).
52
administration, scoring, and profiling the results. The CAARS offers long, short, and
screening versions of the scale, each with self- and observer-report forms. Various
options are available for administration and scoring, including traditional paper, on-line,
and software-based. The software and on-line administration and scoring options
produce both profile and interpretive reports. The CAARS takes relatively little time to
administer (viz., 10-30 minutes) and can be used for screening, diagnostic assessment,
and monitoring the effects of treatment (Adler et al., 2008; Cleland, Magura, Foote,
Rosenblum, & Kosanke, 2006; La Malfa, Lassi, Bertelli, & Albertini, 2008). The
complete kit is available from the publisher for $339 and QuikScore forms are $50 for 25
for each version. The pricing for the online options is as follows: online profile report kit
(manual and 3 online profile reports) $86, online profile reports $6 (minimum purchase
of 50), online interpretive report kit (manual and 3 online interpretive reports) $92, and
General description. The Wender Utah Rating Scale (WURS) was developed in
1993 by Ward, Wender, & Reimherr, and is available online in the public domain
(http://www.venturafamilymed.org/Documents/Wender_Utah%20Rating%20Scale.pdf).
frequently associated behavioral, medical, and learning problems (Stein et al., 1995).
The WURS consists of 61-items. There is also a short version that represents a subset of
25 items that are explicitly associated with ADHD (Stein et al., 1995; Ward et al., 1993).
On both versions, respondents are asked to rate the frequency with which a particular
53
symptom or behavior described them as children using the following 5-point Likert scale:
(0) not at all or very slightly, (1) mildly, (2) moderately, (3) quite a bit, and (4) very
Scale development, derived factors, and scoring. The primary purpose of the
The WURS was previously called the Adult Questionnaire of Childhood Characteristics
(Stein et al., 1995), and is based on signs and symptoms described in the monograph
Minimal Brain Dysfunction in Children (Wender, 1971, as cited in Ward et al., 1993).
These signs and symptoms are both different from and more detailed than the 18 items in
the current DSM-IV criteria (Murphy & Adler, 2004). The WURS draws from the Utah
criteria for adult ADHD proposed by Wender as an alternative to the DSM criteria
The authors (Ward et al., 1993) first calculated the mean scores for all rationally-
derived 61 items of the WURS, but then chose to analyze data from only the 25 items
showing the greatest mean difference between the group with ADHD and the other
comparison groups (the number of patients in the study was not sufficient to justify a
With respect to factor structure of the 61-item version of the WURS, Stein and
colleagues (1995) reported a 5-factor solution for both males and females: dysphoria,
McCann and colleagues (2000) suggests that the WURS measures depression and
For scoring, responses for all the items are totaled to reach a raw score. On the
61-item version, an average score for ADHD adults is 62 and an average score for a non-
disordered subject is 16 (Wender, 1995). A cutoff score of 46 on the short version was
identified as best differentiating adults with and without ADHD (Ward et al., 1993).
Taylor and colleagues (2011) reported that there is no cut-off score for the WURS 61-
item version due to its weaker psychometric properties compared with the 25-item scale.
On the 25-item version, a score greater than 36 indicates significant ADHD symptoms if
depression is absent (Hill, Pella, Singh, Jones, & Gouvier, 2009; Taylor et al., 2011).
Normative data. The initial psychometric data for the WURS were based on
three separate normative samples (two clinical and one non-clinical; Ward et al., 1993).
The first clinical sample comprised 81 subjects (45 men and 36 women; mean age = 30.7
years) who met the Utah Criteria for ADHD and were waiting to participate in a
medication study. In addition, 67 mothers of the above subjects completed the Parents’
“normal” comparison group of 50 men and 50 women (mean age 42.5 years) was also
obtained. Finally, as a third comparison group, the authors gave the WURS and
Hamilton Rating Scale for Depression to 70 adult outpatients with a diagnosis of unipolar
depression (23 men and 47 women; mean age = 39.8 years). No age range, ethnic
55
background, or other demographic variables were provided for any of the samples (Ward
et al., 1993).
consistency of the WURS. The scale’s authors found its internal consistency to be
excellent as measured by split-half reliability coefficients (Ward et al., 1993). Stein and
colleagues (1995) found internal consistency to fall in the good range for both males and
females (with one factor, poor social skills, in the fair range for males and in the
unacceptable range for females). Rossini and O’Connor (1995) found both the 61-item
and 25-item versions to have good internal consistency. Further studies found the WURS
internal consistency to fall in the good to excellent range (Wierzbicki, 2005; McCann et
al., 2000). Regarding test-retest reliability, the WURS 61- and 25-item versions ranged
from the good to excellent range (Rossini & O’Connor, 1995; Wierzbicki, 2005). No
scores and the Parents’ Rating Scale scores were fair (Ward et al., 1993). Further, the
WURS was found to significantly correlate with a few (though not all) of the Conners’
Continuous Performance Test (CPT) scales and the Personality Assessment Inventory
(PAI; Hill et al., 2009). The WURS also moderately but significantly correlated with
Schedule, and the Automatic Thoughts Questionnaire (Wierzbicki, 2005), which would
be expected given that those with ADHD report more depressive symptoms than non-
ADHD counterparts. However, despite the few significant correlations with the CPT, the
WURS was not significantly correlated with most of the neuropsychological measures of
56
Mackin and Horner (2005) also found that no attentional measures (except for digit
symbol) were significantly correlated with the WURS. Some have questioned whether
the WURS best measures inattention factors or personality problems (Hill et al., 2009).
Regarding sensitivity and specificity, when the cut-off score for the WURS 25-
item is 36 or higher, sensitivity and specificity were excellent (Ward et al., 1993). When
the cutoff score is increased to 46 or higher, sensitivity was very good and specificity was
excellent. McCann and colleagues (2000) reported good total classification accuracy, but
substance use problems (using a cutoff of 36), sensitivity was very good and specificity
Clinical utility. As there is no manual for the WURS, scoring instructions and
interpretation guidelines (including identifying which cut-off scores to use) are not easily
Disorder in Adults (Wender, 1995) and the article by Ward et al. (1993). The WURS can
be completed in a short amount of time and may be used to retrospectively assess for
childhood symptoms of ADHD (Ward et al., 1993). Given that the WURS is a
retrospective measure of childhood symptoms and that it is not based on current DSM
evaluation to determine if ADHD symptoms were present during childhood (which must
be established in order to meet DSM-IV criteria for the disorder). The scale is available
Although the WURS does not have any collateral forms, it is available in multiple
languages including English, Spanish, Italian, and German (Rosler et al., 2006).
58
Discussion
There has been an increase in research and clinical activity pertaining to adult
ADHD and the demand for adult ADHD assessments has increased dramatically
(Biederman, 2004; McGough & Barkley, 2004; Murphy & Adler, 2004; Murray &
Weiss, 2001). Rating scales are an essential component of evaluating adults for ADHD
and the field has progressed to the point where clinicians now have a wide variety of
options with respect to these scales. The previous chapter reviewed seven adult ADHD
rating scales appropriate for use in clinical practice. Descriptive information was
provided on numerous aspects of each scale, including (but not limited to) its normative
The adult ADHD rating scales reviewed share a number of common features.
First, they all require use by trained professionals who have an understanding of
psychological testing and psychometrics. Second, all the scales yield quantitative scores
that reflect the degree of ADHD symptoms present in the target individual. Third, all of
the scales described have face validity with respect to their items appearing to assess the
not a formal part of evaluating or validating a measure of ADHD, one implication of such
face validity of which clinicians should remain aware is that these scales can be easily
faked (Jachimowicz & Geiselman, 2004; Sullivan, May, & Galbally, 2007). Fourth, most
of the scales demonstrate adequate content validity; however, there are a few exceptions.
Whereas the Brown Scale has content validity for inattentive symptoms of ADHD and
for executive functioning (as reflected in Brown’s five conceptual clusters), the scale
59
excludes items related to hyperactivity-impulsivity, and thus lacks content (as well as
face) validity for that dimension of ADHD. In addition, because the inclusion of current
DSM-IV-TR (APA, 2000) criteria for ADHD (whether verbatim or modified to reflect
scales, it is noteworthy that the BADDS, ADSA, and WURS do not reflect these criteria.
None of the reviewed scales can be considered the “gold standard” for assessing ADHD
at present. The scales are quite heterogeneous with respect to their strengths and
limitations and practitioners must consider multiple factors when determining which
Clinical purpose. There are a number of potential applications for using rating
measure for assessing ADHD, a scale with a short administration time and “good
sensitivity to rapidly identify as many true cases as possible” (Collett et al., 2003, p.
1033) is warranted. Whereas all the reviewed scales demonstrate adequate sensitivity,
the BAARS-IV (as measured by a precursor to the BAARS-IV), CAARS, and WURS
currently have the highest sensitivity ratings when compared to the others.
Regarding diagnosing ADHD, although results from a rating scale should not be
the sole basis for determining whether a client suffers from ADHD, they can and should
contribute significantly to the process. When using a rating scale for the purpose of
facilitating a diagnosis, a clinician should consider the following attributes: (a) adequate
norms to help establish that symptoms are present to a deviant degree, (b) representation
of each DSM-IV symptom, (c) good psychometric properties, and (d) the opportunity to
collect information from collateral sources. Based on the current review, the A-ADDES,
60
BAARS-IV, and CAARS appear to best meet these parameters whereas the other scales
are more limited in their clinical applications. The BADDS, for example, appears to be
quite useful, but only in the context where one is primarily interested in assessing
medication or psychosocial treatment, a clinician would do best with a scale that is short
in length, stable (i.e., good test-retest reliability), and sensitive to treatment effects
(Collett et al., 2003). Based on these considerations, the ASRS screener, BAARS-IV,
and CAARS-short version seem most adequate for use in treatment monitoring.
Symptom representation. All of the reviewed rating scales include some of the
DSM-IV-TR (APA, 2000) symptoms; however, not all of them contain all 18 symptoms
included in the DSM criteria. For instance, the BADDS excludes hyperactive-impulsive
symptoms, the ADSA fails to represent a number of DSM symptoms, and the WURS
predates the DSM-IV and is thus not linked to its criteria. All of the DSM criteria are
represented in the A-ADDES, ASRS, BAARS-IV, and CAARS. Further, the BAARS-IV
and CAARS yield specific factor scores to reflect the endorsement of DSM symptoms.
Except for the ASRS, all of the rating scales include items beyond those represented in
the DSM to capture aspects of ADHD in adults that might not be reflected in the current
criteria. For example, among others, the ADSA includes items addressing interpersonal
BAARS-IV also assesses sluggish cognitive tempo. The BADDS has additional items
addressing organization and getting started on tasks, keeping up energy to complete tasks,
emotional regulation, and forgetfulness. The CAARS’ items also cover emotional
social skills.
contain the largest normative sample sizes. Whereas the A-ADDES and CAARS include
normative samples for their multiple versions, only the self-report version of the BAARS
is normed. The standardization samples for a number of the scales reviewed suffer from
some limitations. For instance, the BADDS manual does not provide information on the
upper age limit of the sample. The ASRS, CAARS, and WURS do not report the ethnic
composition of their sample. The WURS also provides no age range or other
individuals similar to a given client (or groups of clients) with whom one tends to work.
Psychometric properties. All of the reviewed scales would benefit from further
research to validate or extend upon existing reliability and validity data. At present, the
CAARS and WURS are the most widely studied adult ADHD rating scales and have the
across the scales with respect to the extent of current data pertaining to their
psychometric properties. The A-ADDES would benefit from sensitivity, specificity, total
9
This review by Taylor et al. excluded the A-ADDES and predated the release of the BAARS-IV.
62
classification accuracy, and criterion validity studies. Although the ASRS is a promising
rating scale, it lacks adequate reliability and validity data, including test-retest reliability
and concurrent validity. The BAARS-IV manual reports substantial reliability and
validity data. However, many of the studies were based on a precursor to the current
divergent validity, and sensitivity, specificity, and total classification accuracy using the
current version (both current and childhood symptoms) of the scale are necessary, along
with initial studies pertaining to the internal consistency and test-retest reliability of the
other-report version. As for the BADDS, in contrast to the adolescent version of the
scale, psychometric data pertaining to the test-retest reliability, construct validity, and
criterion validity for the adult version are lacking. Regarding the WURS, the cutoff score
al., 2008). Lastly, adequate divergent validity data are lacking for all the scales (though
are easy to administer and score for trained individuals. It should be noted that some of
the scales (viz., A-ADDES and ADSA) do not report a time-frame within which
respondents are to rate the target individual. Of course, the existence and quality of user
manuals accompanying scales is relevant to their utility. Those scales that lack manuals
(viz., the ASRS and WURS) are at a disadvantage with respect to the ease with which
should be noted that the use of three separate manuals to accompany the three versions of
the A-ADDES makes the use of this scale somewhat more cumbersome than those scales
that provide a single manual that covers all relevant versions. Clinicians should also be
aware that the ADSA manual is not as comprehensive as the others, and that the BADDS
adolescent and adult versions of the scale. With respect to serving clients whose primary
language is other than English, the ASRS, CAARS, and WURS are all available in
multiple languages.
A number of the rating scales reviewed include multiple forms (or versions) that
vary in length and administration time. The ASRS (full and screener), BAARS-IV (full
and quick screen), and CARRS (long, short, and screening) offer multiple forms suited to
assessment, or repeated assessment for treatment monitoring). The rating scales also vary
in the type of scores yielded and how readily interpretable they are. Of note, the ASRS
scoring is unclear and is based on raw scores. The BADDS cutoff score is also based on
a raw score (not a T-score), which is not made clear in the manual. It is also notable that
most of the scales reviewed lack any sort of response inconsistency check. The ADSA
and CAARS are the only forms containing an inconsistency index, useful in identifying
component of adult ADHD assessments (Murphy & Schachar, 2000; Searight et al.,
2000) and rating scales can be used to facilitate this process. The following scales allow
clinicians to gather information from others who have experience with the target
64
individual: A-ADDES, BAARS-IV, CAARS, and the BADDS. Of note, the A-ADDES
and CAARS include separate norms for their collateral- (or observer-) report forms,
whereas only the self-report versions of the BAARS-IV and BADDS are normed.
symptoms were present in childhood as well as currently (APA, 2000). The BAARS-IV
is the only scale that collects data on both current and childhood symptoms of ADHD.
The WURS collects retrospective data on ADHD symptoms in childhood, but does not
conventional paper and pencil administration and scoring of rating scales is likely to
decline. Thus, current and future clinicians will increasingly demand on-line or, at a
minimum, computerized administration and scoring options for the scales they use.
Among the reviewed scales, only the CAARS and the BADDS offer automated options.
The BADDS offers a computer scoring program, whereas the CAARS offers both online
and software-based administration and scoring. Both scoring programs offer interpretive
reports.
The typical practicing clinician is also going to be concerned with costs. The
ASRS and WURS forms are both available for free on-line (though, as noted, both lack
manuals). For most of the other reviewed sales, the manual and forms must be purchased
separately. The exception is the BAARS-IV, where purchase of the manual (for $149)
grants permission to photocopy the rating forms. Otherwise, the cost of the manuals
varies (from a low of $21 for one of the A-ADDES manuals to a high of $178 for the
BADDS scale), as does the cost of forms (where the ADSA is the most expensive at $520
65
per 100 forms and the A-ADDES is the least expensive at $88 per 100 forms). While the
automated options noted above for the CAARS and BADDS offer considerable benefits
in terms of convenience and time savings for the clinician, they do entail additional cost.
Clinicians are charged a lump sum for the BADDS scoring program, whereas the
CAARS charges per report, with a minimum purchase required. These myriad factors
pertaining to cost combined with the varying needs and preferences of clinicians preclude
any general conclusions being drawn with respect to which scales are the most or least
cost effective.
There are various limitations of the current review. First, while efforts were made
to locate all relevant literature, some studies pertaining to aspects of the current review
may have been missed. Second, this review summarized published data pertaining to the
identified rating scales, but did not consider the methodological quality of the studies
producing those data. Third, the review was limited to those scales used primarily in
clinical practice and, thus, did not encompass all adult ADHD rating scales (e.g., those
used primarily in research settings). Finally, although efforts were made to identify
strengths and limitations of the reviewed scales, no systematic evaluation process was
Future Directions
The majority of the data summarized in the current review were reported in the
respective scales’ manuals based on research conducted by the developers of the scale
(the CAARS and WURS appear to have been subjected to more independent non-author
affiliated research than the other scales). Although this was expected, it is nonetheless
66
the case (as noted previously) that all of these scales would benefit from additional
research conducted by investigators unaffiliated with their development. This would help
evaluation of clinical rating scales where data are currently lacking, and to reduce the
across the scales. First, more data are needed pertaining to scales’ sensitivity to
treatment-related changes. Second, data on the scales’ predictive validity for both short-
and long-term outcomes are scarce. Barkley (2011) suggests that such research focus on
longitudinal studies documenting how well these scales predict future performance in
financial, and social functioning, health, and criminal activity. Third, there is a need for
more data on discriminative validity (with respect to how well the scales differentiate
between those with ADHD and other clinical groups, as opposed to the general
population). This is a crucial aspect in evaluating and choosing a rating scale for clinical
use, and for drawing diagnostic conclusions. Fourth, literature is lacking on these rating
pertains to whether the scales perform differentially with respect to their psychometric
As is often the case with established clinical rating scales, many of the adult
ADHD scales reviewed here are likely to be revised and refined over time. Certainly, as
the DSM-V is set to be released in May 2013 (APA, 2012), current rating scales will need
to be modified to reflect changes to the diagnostic criteria. Ideally, efforts to optimize the
67
nature and phrasing of scale items to better reflect the manifestation of ADHD in the
adult population will lead to measures with greater diagnostic sensitivity. In addition,
given the current rating scales to assess ADHD in adults are narrow band scales, their
expansion to cover other syndromes that can mimic ADHD symptoms or be comorbid
with ADHD will help to further aid diagnosis and differential diagnosis. Moreover, the
incorporation of scales related to functional impairment and quality of life will help
There is also a need for additional, more specified reviews of adult rating scales.
Such reviews could be more systematic in their approach, focusing on a limited number
specificity, as they are good measures of diagnostic accuracy which can be easily
compared. Further, it would be beneficial to compare the scales to determine which are
Conclusion
Rating scales are an efficient and effective method for evaluating symptoms of
ADHD in adults. They provide a practical way of collecting both self-report and
collateral information, and can be used for initial screening, diagnosis, and treatment
monitoring. Despite these strengths, rating scales are insufficient for diagnostic
assessment and should be used in conjunction with other methods, such as a clinical
measures for assessing adult ADHD, it is hoped that the information provided in the
current review facilitates the process of selecting a scale for practicing clinicians.
68
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Section A- Empirical Literature
Author Title/Year Sample Measures Key Findings
Able, S. L., Johnston, J. Functional and n= 752 “undiagnosed” Medical Outcomes -“Undiagnosed” ADHD
A., Adler, L. A., & psychosocial ADHD subjects Study Short Form (SF- subjects higher rates of
Swindle, R. W. impairment in adults n= 199 “non-ADHD” 36); Patient Health comorbidity and greater
with undiagnosed controls Questionnaire (PHQ-2), functional impairment
ADHD. (2007). n= 198 diagnosed Sheehan Disability than “non-ADHD”
ADHD subjects Scale; Moos Dyadic controls
Assessment; Finch -Also higher rates of
Criticality Scale; Adult depression, problem
ADHD Quality-of-Life drinking, lower
Scale (AAQOL); basic educational attainment,
information on and greater emotional and
demographics, socio- interpersonal difficulties
economic in “undiagnosed” subjects
characteristics, current -“Undiagnosed” subjects
health, past medical and had a different racial
family history, and composition and lower
selected behaviors educational attainment
shown to be associated than “diagnosed” ADHD
with ADHD (e.g., subjects
tobacco, alcohol use,
accidents, legal
difficulties, etc.)
Achenbach, T. M., Assessment of adult 51,000 articles Meta-analysis reviewed -108 (0.2%) had
Krukowski, R. A., psychopathology: Meta- published over 10 years 51,000 articles qualifying correlations
Dumenci, L., & analyses and in 52 peer-reviewed published between -Mean cross-informant
Ivanova, M. Y. implications of cross- journals for correlations 07/01/1993 and correlations were .681 for
informant correlations. between self-reports and 06/20/2003 to estimate substance use, .428 for
(2005). informants’ reports the correlations between internalizing, and .428 for
self- and informants’ externalizing problems
95
ratings of adult -When different
psychopathology instruments were used,
the mean cross-informant
correlation was .304
-Supports need for
systematically obtaining
multi-informant data
-Article reviewed aspects
of reliability and validity
Adler et al. The reliability and N = 536 adults CAARS screening -CAARS screening
validity of self- and n = 266 placebo version; Structured version (30 items)
investigator ratings of n = 270 atomoxetine Clinical Interview for -Internal consistency .74 -
ADHD in adults. 66.4% combined type, DSM-IV (SCID); .95
(2008). 31.2% inattentive type, Sheehan Disability -Inter-rater reliability .45
2.4% hyperactive- Scale; Clinical Global - .87
impulsive type Impression; Hamilton -At baseline, investigator
Depression Rating ratings were better
Scale; Hamilton Anxiety predictors of treatment
Rating Scale outcome than self-report
-Both ratings are highly
variable at baseline
Adler et al. Once-daily atomoxetine n = 94 (37.6%) Adult ADHD Clinician -Atomoxetine statistically
for adult attention- randomized to Diagnostic Scale version better than placebo in all
deficit/hyperactivity atomoxetine 1.2; Clinical Global but 1 post-baseline
disorder: A 6 month, n = 112 (44.6%) Impressions; AISRS -Study extended finding
double blind trial. randomized to placebo Symptom Checklist; to include 6 months from
(2009). Ages 18-54 years (mean CAARS-Inv:SV; ASRS 10-week
age 37.6 years) v1.1; Adult ADHD -AISRS used in
50% men Quality of Life Scale pharmaceutical research
87.9% White study
-AISRS is a clinician-
96
administered scale
Adler et al. Validity of pilot adult N = 60 adult ADHD Self-administered -ADHD RS requires
ADHD self-report scale patients (NYU 35, Mass ADHD Rating Scale administration by trained
(ASRS) to rate adult General 25) (ADHD RS) and Adult clinician so goal is to
ADHD symptoms. Mean age 37.5 years ADHD Self-Report have easy self-report
(2006). 68% male Scale (pilot ASRS- rater scale for primary care
administered) setting
-Adult Self-Report Scale
symptom checklist (pilot
ASRS) patient-
administered version of
clinician-administered
ADHD RS
-Internal consistency high
for both (Cronbach’s
alpha ADHD RS .88 and
ASRS .89)
-Intra-class correlation
between scales .84
-Percent of agreement
ranged between 43-72%
-ASRS high concurrent
validity with rater-
administered ADHD RS
-Pilot adult ASRS
reliable and valid
Applegate et al. Validity of the age-of- N = 380 Version 2.3 of the -18% who met criteria for
onset criterion for Ages 4-17 years Diagnostic Interview combined type and 43%
ADHD: A report from 79% male, 21% female Schedule for Children who met criteria for
the DSM-IV field trials 64.6% non-Hispanic (DISC); Children’s predominantly inattentive
(1997). White, 15.6% African- Global Assessment type did not manifest
97
American, 16.6% Scale; scale adapted impairment before age 7
Hispanic, 0.5% Asian- from the Homework years
American, 2% other Problem Checklist and -Requiring impairment
the Academic before age 7 may
Performance Rating interfere with accurate
Scale diagnosis
-Questions validity of
DSM-IV age of onset
criteria
Babinski, L. M., Childhood conduct n = 230 males Children’s Attention and -Both hyperactivity-
Hartsough, C. S., & problems, hyperactivity- n = 75 females Adjustment Survey impulsivity and conduct
Lambert, N. M. impulsivity, and Followed prospectively (CAAS); What’s problems, alone and
inattention as predictors since childhood (average Happening together, predict greater
of adult criminal age 9 years) to young Questionnaire; official likelihood of having an
activity. (1999). adulthood (average age arrest records arrest record for males
26 years)
Barkley, R. A. Barkley Adult ADHD N = 1,249 BAARS-IV -Guildford Press
Rating Scale- IV Ages 18-70+ -6 versions
(BAARS-IV). (2011). 623 males (mean age -Current symptoms self-
49.7 years) report (30 items)
626 females (mean age -Childhood symptoms
49.8 years) self-report (20 items)
Sample similar to 2000 -Current symptoms other-
US Census estimates report (30 items)
Majority of participants -Childhood symptoms
were Caucasian other-report (20 items)
-Quick screen current
symptoms self-report (8
items)
-Quick screen childhood
symptoms other-report (6
98
items)
-4 factors (current
symptoms): inattention,
sluggish cognitive tempo,
hyperactivity, and
impulsivity
-2 factors (childhood
symptoms): inattention
and hyperactivity-
impulsivity
All forms: (1) never or
rarely, (2) sometimes, (3)
often, and (4) very often
-Based on DSM-IV
symptoms
-Internal consistency .78-
.95
-Test-retest .66-.88
-Many reliability/validity
data from other studies
(Barkley et al., 2008;
Barkley et al., 2011)
-Manual very
comprehensive
-Could have included
criterion validity using
CAARS ADHD Index
-Once manual is
purchased, permission to
photocopy rating scales
for clinical use
99
Barkley, R. A., DuPaul, Comprehensive n = 48 ADHD children Parent interview; -Both ADHD groups at
G. J., & McMurray, M. evaluation of attention with hyperactivity (39 Vineland Adaptive greater risk of behavioral,
B. deficit disorder with and boys, 3 girls) Behavior Scale; Child social, and emotional
without hyperactivity as n = 42 ADHD children Behavior Checklist; problems than LD and
defined by research without hyperactivity Home Situations control groups
criteria. (1990). (43 boys, 5 girls) Questionnaire; Revised -ADHD with
n = 19 learning disabled Conners Parent Rating hyperactivity associated
group (12 boys, 4 girls) Scale; Beck Depression with less self-control,
n= 34 community Inventory; SCL-90-R, more
control group (35 boys, Lock-Wallace Marital impulsivity/aggression,
1 girl) Adjustment Test; Life and more internalizing
Stress Scale from the and externalizing
Parent Stress Index; problems
Child Behavior -ADHD+ hyperactivity
Checklist-Teacher were more off task, had
Form; School Situations more substance abuse,
Questionnaire; ADHD and aggression
Rating Scale; Taxonomy -ADHD without
of Problem Situations; hyperactivity day-
ACTeRS scale Iowa; dreamed, were more
Conners Teacher Rating lethargic, were more
Scale; Teacher Self- impaired in perceptual-
Control Rating Scale; motor speed, and had
WISC-Revised; WRAT- more anxiety disorders
R; CPT; Kagan -ADHD with
Matching Familiar hyperactivity and ADHD
Figures Test; behavioral without hyperactivity
observations may be two separate
disorders rather than
subtypes
Barkley, R. A., Fischer, The persistence of n = 147 hyperactive Structured interview of -Occurrence of ADHD
100
M., Smallish, L., & attention- n = 71 community disruptive behavior was higher using parent
Fletcher, K. deficit/hyperactivity controls disorders and parent reports
disorder into young Ages 19-25 years interview from DSM- -Relying on self-reports
adulthood as a function 91%male, 9% female III-R and DSM-IV; may underestimate
of reporting source and 94% Caucasian, 5% Conners Parent Rating persistence of ADHD into
definition of disorder. African American, 1% Scale- Revised; Home adulthood
(2002). Hispanic Situations -Use of additional sources
Questionnaire; Werry- and collaborative others
Weiss-Peters Activity is recommended
Rating Scale; high
school transcripts;
employer ratings of job
performance; criminal
records; Young Adult
Self-Report from the
Child Behavior
Checklist (YASR)
Barkley, R. A., Fischer, Young adult follow-up n = 147 hyperactive WAIS-III vocabulary -Hyperactive group
M., Smallish, L., & of hyperactive children: n = 73 controls and block design committed variety of
Fletcher, K. Antisocial activities and Mean age 20-21 years subtests; structured antisocial acts and have
drug use. (2004). 13-year follow-up interview of antisocial been arrested more
behavior; structured compared to controls
interview on current -Hyperactive group
illicit drug use at higher frequency of
adulthood; parent property theft, disorderly
interview of ADHD conduct, assault with
symptoms; official fists, carrying a concealed
arrest records weapon, illegal drug
possession, and more
arrests
-Childhood, adolescent,
101
and adult ADHD
predicted higher drug-
related activities
-Those with CD engage
in greater and more
diverse substance use
Barkley, R. A., Fischer, Young adult outcome of n = 149 hyperactive Clinical interview; high -Noted impairment in
M., Smallish, L., & hyperactive children: children school transcripts; adaptive functioning
Fletcher, K. Adaptive functioning in n =76 community employer ratings of job including education (e.g.,
major life activities. controls performance; parent failure to graduate, grade
(2006). Ages 19-25 years reports; intelligence retentions), occupational,
91% male, 9% female estimates (WAIS-R social, financial, and
94% Caucasian, 5% vocabulary and block sexual functioning
African American, 1% design); Young Adult
Hispanic Behavior Checklist
(YABCL);
Hyperactivity Index of
Conners Parent Rating
Scale (CPRS); Werry-
Weiss Perers Activity
Rating Scales
(WWPARS)
Barkley, R. A., Knouse, Correspondence and n = 146 ADHD Adult ADHD Symptoms -Adult ADHD Symptoms
L. E., & Murphy, K. R. disparity in the self- and diagnosed, 68% male Scale; Structured Scale is precursor version
other ratings of current n = 97 clinical controls Clinical Interview for of BAARS-IV
and childhood ADHD self-referred for ADHD ADHD; Shipley -Agreement between and
symptoms and but not diagnosed, 56% Institute of Living Scale; self- and other-ratings on
impairments in adults male Symptom Checklist 90- current functioning .59-
with ADHD. (2011). n = 109 community Revised .80
controls, 47% male -Agreement between self
94% Caucasian, 2-5% and other-ratings on
102
Hispanic-Latino, 1-2% childhood functioning
African American, 1% .53-.75
Asian, <1% Native -Clinic referrals not
American diagnosed with ADHD,
especially women, had
higher disparity rates
-Age, IQ, and education
not significantly
associated with
disparities in ratings
-Anxiety was associated
with greater disparity
rates
Barkley, R. A., Murphy, ADHD in adults: What n = 146 diagnosed Shipley Institute of - Book focused on the
K. R., & Fischer, M. the science says. (2008). ADHD (mean age 32.4 Living Scale; Structured prevalence, impairment,
years) Clinical Interview for and comorbidities of
n = 97 clinic-referred ADHD; Current persisting ADHD
non-ADHD control Symptoms Scale; -Provides data from two
group (mean age 37.8 Childhood Symptoms major studies- the
years) Scale; Vocabulary & UMASS and Milwaukee
n = 109 non-referred Block Design (WAIS- studies
community control III); Peabody Picture -Includes discussions on
group (mean age 36.4 Vocabulary Test; prevalence and criteria
years) Conners Parent and for ADHD in adults,
(UMASS study) Teacher Rating Scales; impairment in major life
Home Situations activities (educational,
n = 158 hyperactive Questionnaire; Werry- occupational, social,
group (diagnosed as Weiss-Peters Activity health, lifestyle, money
hyperactive in Rating Scale management, driving),
childhood; 83.6% males comorbid psychiatric
with hyperactivity, disorders, and drug
103
87.5% without) use/antisocial behavior
n = 81 matched -Evidence that ADHD
community control persists into adulthood
group (93.3% males) and can contribute to
(Milwaukee study) significant impairments
and comorbidities
Barkley, R. A., Murphy, Psychological n = 25 adults with Structured Clinical -Those with ADHD
K., & Kwasnik, D. adjustment and adaptive ADHD (mean age 22.5 Interview for DSM-III- reported more symptoms
impairments in young years; 36% female, 64% R (SCID); structured of ADHD and
adults with ADHD. male) demographic and oppositional defiant
(1996). n = 23 controls (mean adaptive functioning disorder in their jobs
age 22 years; 39% interview; Symptom -ADHD young adults had
female, 61% male) Checklist 90- Revised committed more
Mean educational level (SCL-90R); Conners antisocial acts and had
13.8 years Continuous Performance been arrested more often
Test; creativity when compared to
measures; FAS from controls
Controlled Oral Word -ADHD had shorter
Association Test; a durations of employment
question from the -Those with ADHD had
Aphasia Screening Test; greater psychological
Digit-Span from WAIS- distress and committed
R; Simon color memory more antisocial acts, like
sequencing game, time thefts, disorderly conduct,
estimation and time and arrests
production tasks -On testing, ADHD group
worse on response
inhibition, sustained
attention, and verbal and
nonverbal working
memory
104
Belendiuk, K. A., Assessing the N = 69 mothers of Semistructured -Current self-reports and
Clarke, T. L., Chronis, concordance of children with ADHD interview (SCID); K- current collateral reports
A. M., & Raggi, V. L. measures used to Mean age 38.40 years SADS; Wender-Utah on K-SADS r = .54
diagnose adult ADHD. Rating Scale (WURS); (inattentive symptoms)
(2007). Conners’ Adult ADHD and r = .29
Rating Scale (CAARS (hyperactive/impulsive
long version) symptoms)
-Past self-reports and
collateral reports on K-
SADS r = .57
(inattentive) and r = .43
(HA)
-Current self-report and
interview of the CAARS
and K-SADS r = .74
(inattentive) and r = .61
(HA)
-WURS and K-SADS r =
.81 (inattentive) and .51
(HA)
-For current symptoms,
no significant difference
in the number of
symptoms reported on the
CAARS and K-SADS
-For past symptoms, no
significant difference
between self-reports on
WURS and K-SADS
Biederman et al. Gender differences in a N = 128 adults Childhood-onset ADHD -Males and females with
sample of adults with 61% male, 39% female confirmed by structured ADHD were similar to
105
attention deficit interview; SCID from one another and more
hyperactivity disorder. DSM-III-R; modules impaired than non-
(1994). from Kiddie-SADS-E; ADHD controls
Clinical interview using -ADHD women had
DSM-III-R criteria; higher rates of major
WRAT-R arithmetic depression, anxiety
subtest; GORT or disorders, conduct
WRAT-T reading disorder, school failure,
subtest; vocabulary, and cognitive impairment
block design, arithmetic, than non-ADHD control
digit span, and digit females
symbol subtests of -ADHD females had
WAIS-R lower conduct disorder
rates than their male
ADHD counterparts
-Adult ADHD valid
disorder in both men and
women with impairment
in psychosocial,
cognitive, and school
functioning
Biederman et al. Patterns of psychiatric n = 84 adults with SCID; modules from -Referred and non-
comorbidity, cognition, childhood-onset ADHD Schedule for Affective referred adults with
and psychosocial n = 140 children with Disorders and ADHD are similar to
functioning in adults ADHD from a Schizophrenia for each other, and more
with attention deficit preexisting study group School-Age Children- impaired than those
hyperactivity disorder. n=43 adult relatives with Epidemiologic; without ADHD
(1993). ADHD KIDDIE-SADS-E; -High rates of antisocial,
n= 248 adult relatives WRAT-R arithmetic major depression, and
without ADHD subtest; Gilmore Oral anxiety disorders in those
Reading Test; WAIS-R with ADHD
106
vocabulary, block -Those with ADHD more
design, arithmetic, digit likely to have repeated
span, and digit symbol grades and need academic
tutoring
-Further supports the
validity of the diagnosis
of ADHD for adults
Biederman et al. Are stimulants effective n = 112 OROS-MPH Psychiatric evaluation; -Executive function not
in the treatment of n = 115 placebo Structured Diagnostic moderated by response to
executive function Ages 19-60 years Interview (SCID); OROS-MPH
deficits? Results from a medical history; vital -AISRS used in research
randomized double signs; laboratory
blind study of OROS- assessments; Clinical
methylphenidate in Global Impression
adults with ADHD. Scale; Adult ADHD
(2011). Symptom Investigator
Scale (AISRS);
Hamilton Depression
Scale; WASI vocabulary
and matrix reasoning;
WRAT-III math; WASI-
III digit span, arithmetic,
letter-number
sequencing; WAIS-III
digit/symbol coding and
symbol search; D-KEFS
tower, color-word
interference, and trails;
Test of Word Reading
Efficiency (TOWRE)
sight word efficiency;
107
attention network test
(ANT); stop signal test;
BRIEF-A
Biederman et al. An open-label trial of N = 36 treated with Psychiatric evaluation; -OROS MPH
OROS methylphenidate OROS MPH structured diagnostic administered once daily
in adults with late-onset Ages 19-60 years interview (SCID); was effective and well-
ADHD. (2006). Mean age 39.6 years medical history; vital tolerated
signs; laboratory -AISRS used to asses
assessments; Clinical adult ADHD in research
Global Impression
Scale; Adult ADHD
Symptom Investigator
Scale (AISRS)
Biederman et al. A randomized, placebo- n =72 to OROS MPH Psychiatric evaluation; -OROS MPH more
controlled trial of OROS n = 77 placebo Structured Diagnostic effective than placebo
methylphenidate in Ages 19-60 years Interview (SCID); -First randomized clinical
adults with attention- medical history; vital trial of OROS MPH in
deficit/hyperactivity signs; laboratory adult ADHD
disorder. (2007a). assessments; Clinical -AISRS rating scale used
Global Impression in this pharmaceutical
Scale; Adult ADHD research study
Symptom Investigator
Scale (AISRS);
Hamilton Depression
Scale
Biederman et al. Comparative acute n= 99 placebo Psychiatric evaluation, -OROS-MPH similar
efficacy and tolerability n= 79 IR-MPH structured diagnostic efficacy to IR-MPH
of OROS and immediate n= 55 OROS-MPH interview (SCID), -Both better than placebo
release formulations of Ages 19-60 years medical history, vital -AISRS rating scale used
methylphenidate in the signs, laboratory in this pharmaceutical
treatment of adults with assessments, Clinical research study
108
attention- Global Impression
deficit/hyperactivity Scale, Adult ADHD
disorder. (2007b). Symptom Investigator
Scale (AISRS),
Hamilton Depression
Scale
Biederman et al. Young adult outcome of n = 140 Caucasian males K-SADS-E -Lifetime prevalence for
attention deficit with ADHD (Epidemiologic all categories of
hyperactivity disorder: n = 120 Caucasian males Version); SCID psychopathology were
A controlled 10-year without ADHD significantly greater in
follow-up study. (2006). Ages 6-18 years ADHD young adults
Reassessed at 10-year when compared to
follow-up: 112 with controls, including
ADHD and 105 without antisocial, addictive,
Mean age 22 years mood, and anxiety
disorders
Brown, T. E. Brown Attention-Deficit n = 100 adults (Phase 1: BADDS -Publisher: Pearson
Disorder Rating Scale. 50 met DSM-III criteria PsychCorp
(1996). for ADHD, 50 -Self-report (40 items)
nonclinical) -5 factors: (1) organizing
n = 123 (Phase 2: 92 met and activating to work,
ADHD DSM-III criteria, (2) sustaining attention
93 nonclinical) and concentration, (3)
Ages 18-40+ sustaining energy and (4)
Racial/ethnic effort, managing effective
composition matched interference, and (5)
1990 US Census utilizing “working
estimates memory” and accessing
Matched on age and recall
socioeconomic status -Likert scale: (0) never,
(1) once a week or less,
109
(2) twice a week, and (3)
almost daily
-Internal consistency .79-
.92
-4% false negatives, 6%
false positives
-Limited
reliability/validity data
-Manual combined with
information on BAADS
adolescent scale
-No items evaluating
hyperactive-impulsive
symptoms
-Based on conceptual
ideas of ADD (not factor
analysis)
-Normative sample and
psychometric properties
based on DSM-III
-Did not report upper age
limit of normative sample
Carlson, C. L., & Mann, Sluggish cognitive N = 2,744 children DSM-IV diagnostic -SCT children rated by
M. tempo predicts a 76% Hispanic, 16% checklist; 3 questions of teachers as having less
different patterns of African American, 8% social functioning externalizing behaviors
impairment in the Caucasian adapted from Dishion, -SCT children more at
attention deficit 52% male Teacher Rating Form risk for unhappiness,
hyperactivity disorder, (all measures completed anxiety, depression,
predominantly by teachers) withdrawn behavior, and
inattentive type. (2002). social problems
-Children with SCT may
110
represent a separate
category of
nonhyperactive ADD
Cleland, C., Magura, S., Factor structure of the N = 206 outpatients for Conners’ Adult ADHD -Good internal
Foote, J., Rosenblum, Conners Adult ADHD drug and alcohol Rating Scale self-report, consistency: coefficient
A., & Kosanke, N. Rating Scale (CAARS) treatment short version (CAARS- alpha .74 - .89 for
for substance users. S:S) CAARS subscales A-D
(2006). .85 for overall index
-Compared with CAARS
norms, substance users
score significantly higher
Conners, C. K., Erhardt, Conners’ Adult ADHD n = 1,026 (self-report CAARS -Publisher: Multi-Health
D., & Sparrow, E. Rating Scales forms) Systems, Inc.
(CAARS). (1999). Ages 18-80 years -6 versions
n = 943 (other-report - Self-report long (66
forms) items)
Ages 18-72 years -Other-report long (66
items)
-Self-report short (26
items)
-Other-report short (26
items)
-Self-report screening (30
items)
-Other-report screening
(30 items)
-9 factors (long forms):
inattention/memory
problems,
hyperactivity/restlessness,
impulsivity/emotional
111
lability, problems with
self-concept, DSM-IV
inattentive symptoms,
DSM-IV hyperactive-
impulsive symptoms,
DSM-IV ADHD
symptoms total, ADHD
Index, and the
inconsistency index
-6 factors (short forms):
inattention/memory
problems,
hyperactivity/restlessness,
impulsivity/emotional
lability, problems with
self-concept, ADHD
index, and inconsistency
index
-4 factors (screening
forms): DSM-IV
inattentive symptoms,
DSM-IV
hyperactive/impulsive
symptoms, DSM-IV
ADHD symptoms total,
and ADHD index
- All forms:
(0) not at all, never, (1)
just a little, once in a
while, (2) pretty much,
often, and (3) very much,
112
very frequently
-Internal Consistency:
.64-.91 (men- across age,
subscales, and forms),
.49-.90 (women- across
age, subscales, and
forms)
-Test-retest: .85-.95
(other-report)
-Convergent validity: .41-
.61 (men), .41-.68
(women)
-Additional psychometric
data reported in other
studies (Adler et al.,
2008; Erhardt et al.,
1999; Kooij et al., 2008;
Van Voorhees, 2011)
-Has inconsistency index
-Large normative sample,
but no information
provided on ethnic
composition
Conners, C. K., The revised Conners’ Study 1: Scale Conners’ Parent Rating -Revised CPRS
Sitarenios, G., Parker, J. Parent Rating Scale Development: Scale- Revised (CPRS- -Confirmatory factor
D. A., & Epstein, J. N. (CPRS-R): Factor N = 2,200 students R) analysis developed a
structure, reliability, and (1,099 males, factor structure with an
criterion validity. 1,101 females) updated item content
(1998a). Ages 3-17 years -7 factor model: cognitive
84% European problems, oppositional,
American, 5% African hyperactivity-impulsivity,
113
American, 4% Hispanic, anxious-shy,
and 7% Other perfectionism, social
Scale 2: Reliability, problems, and
Internal Consistency, psychosomatic
and Age and Sex -Psychometric properties:
Differences internal reliability, test-
n = 49 from same rest reliability, and
sample as above discriminant
(23 males, 26 females) -Validated and well-used
rated by parent on two rating scale to assess
occasions 6 weeks apart children’s behavior,
Study 3: Criterion including ADHD
Validity symptoms
n = 91
(68 males, 23 females)
Conners, C. K., Revision and Study 1: Scale Conners Teacher Rating -Using confirmatory
Sitarenios, G., Parker, J. restandardization of the Development Scale- Revised (CTRS- factory analysis 6-factor
D. A., & Epstein, J. N. Conners Teacher Rating N = 1,702 students R) structure developed:
Scale (CTRS-R): Factor (832 males, 870 hyperactivity-impulsivity,
structure, reliability, and females) perfectionism,
criterion validity. Ages 3-17 years inattention/cognitive
(1998b). 83% European- problems, social
American, 7% African problems,
American, 5% Hispanic, oppositionality, and
5% other anxious/shy
Study 2: Reliability, -Satisfactory reliability:
internal consistency, and test-rest and internal
age and sex differences consistency
n = 50 children from the -Validity: 85% of
sample above children were correctly
25 males, 25 females classified
114
Study 3: Criterion -Commonly used to
Validity asses children’s behavior
n= 91 children (68 in the classroom
males, 23 females) who
were referred by
parent/teacher to
outpatient ADHD clinic
and had independent
diagnosis of ADHD
busing DSM-IV
n = 160 children from
main study (127 males,
33 females) referred for
ADHD to outpatient
clinic and had
independent diagnosis of
ADHD using DSM-IV
criteria
n = 160 children from
main study (33 males,
127 females)
Conners, C. K., Conners’ Adult ADHD n = 1,026 nonclinical CAARS & CAARS:CE -Supplement to use in
Sparrow, E., & Erhardt, Rating Scales adults (466 men, 560 correctional settings
D. (CAARS): For use in women; ages 18-80 (institutional and
correctional settings. years) for self- report community forensic
(2004). forms populations)
-Offers guidance for
n = 943 nonclinical using CAARS with
adults (433 men, 510 offenders
women; 18-72 years) for -Observer & self-report
115
observer forms versions
-Long (66 items), short
U.S. and Canada (26 items), & screening
(30 items)
n = 509 offenders -15 min. administration
(incarcerated and time
community offenders) -Factorial, discriminant,
and construct validity
n = 220 forensic
psychiatrists and
psychologists
DeQuiros, G. B., & Adult ADHD: Analysis n = 48 ADHD patients Adult Problem -Self-rating scales are
Kinsbourne, M. of self-ratings on a n = 40 controls Questionnaire (APQ); useful and can
behavior questionnaire. Ages 23-45 years Conners Hyperactivity corroborate presence of
(2001). Index (CHI) ADHD in adults
-Adults can be
forthcoming in
identifying their behavior
problems on
questionnaires
-Endorsed distractibility,
impulsivity, and lack of
control
DeVon et al. A psychometric toolbox Nursing articles CINAHL, MEDLINE, -Criterion validity was
for testing validity and published in the last 5 and PsycINFO search rarely reported
reliability. (2007). years using key words: -Construct validity under-
validity, reliability, and reported
psychometrics -Most reports included
internal consistency
-Under-reporting might
occur because of small
116
sample size, poor design,
or lack of resources
-Lack of information on
psychometric properties
common in literature
-Article provides
descriptions of validity
and reliability
Deyo, R. A., Diehr, P., Reproducibility and N = 130 outpatients with Modified Sickness -Reviews several
& Patrick, D. L. responsiveness of health low back pain for at Impact Profile statistics for measuring
status measures: least 3 months reproducibility and
Statistics and strategies Mean age 51 years responsiveness, and
for evaluation. (1991). 58% women shows relationships
Mean duration of pain 5 among them
years -Discusses the intraclass
correlation coefficient vs.
Pearson r
-Defines responsiveness:
ability of an instrument to
detect small but important
clinical changes
-Internal consistency
-Re-test at one to two
week intervals
DuPaul et al. Parent ratings of Study 1: Factor analysis -Demographic -Support for the two
attention- and examination of information (age, sex, factor model:
deficit/hyperactivity effects of sex, age, and relationship to child, hyperactivity-impulsivity
disorder symptoms: ethnic group on ADHD occupation, ethnic and inattention
Factor structure and ratings group); ADHD Rating -Use of rating scales in
normative data. (1998). N = 4,666 Scale-IV: Home Version clinical practice
children/adolescents -Teacher version also
117
Ages 4-20 years available
85.7% Caucasian, 6.8%
African American, 2.3%
Hispanic, 2.1% Asian-
America, .3% Native
American, 1.3% Other,
.5% unspecified
Respondents: 4,071
mothers, 494 fathers, 39
guardians, 36
grandparents, 26
unspecified
Study 2: Normative data
N = 2,000 (1043 girls,
930 boys, 27
unspecified) randomly
selected from Study 1
Respondents: 85.6%
mothers, 11.3% fathers,
1.2% grandparents,
1.1% guardians, 1%
unspecified
DuPaul, G. J., Power, T. ADHD Rating Scale-IV: n = 2,000 (1,043 girls, ADHD Rating Scale-IV -Scale for diagnosing
J., Anastopoulos, A. D., Checklists, norms, and 930 boys, 27 ADHD in children and
& Reid, R. clinical interpretation. unspecified)- Home adolescents and for
(1998). version assessing treatment
Kindergarten-12th grade response
Ages 4-20 years -Ages 5-17 years
Sample similar to 1999 -Directly linked to DSM-
U.S. Census estimates IV criteria
for ethnic group and -3 versions: parent scale
118
region (English), parent scale
Most respondents were (Spanish), and a teacher
mothers and Caucasian scale
-4-point Likert scale: (0)
Spanish version not never or rarely to (3) very
standardized often
-Internal consistency: .86-
School version: n= .96 (both standardized
1,040 boys, 948 girls, versions)
and 12 unspecified Test-retest: .78-90 (both
standardized versions)
-Inter-rater reliability
between parents and
teachers: .40-.45
-Criterion validity: .61-
.86 with Conners’
Teacher Rating Scale
-Discriminant and
predictive validity also
reported
-Once manual is
purchased, permission to
photocopy scales
Epstein, J. N., Conners, Continuous performance n = 39 adults with Semistructured -Adults with ADHD
C. K., Sitarenios, G., & test results of adults ADHD inattentive type Interview for Adult made more errors of
Erhardt, D. with attention deficit n = 7 ADHD ADHD; Continuous omission and commission
hyperactivity disorder. hyperactive/impulsive Performance Test (CPT) -Similar results as child
(1998). type populations helps
n = 14 ADHD combined establish ADHD as a
type valid disorder of
Mean age 35 years adulthood
119
34 males, 26 females -Adult ADHD has
N= 72 controls experienced increase in
media and public
awareness
Erhardt, D., Epstein, J. Self-ratings of ADHD Internal consistency CAARS; WURS; -CAARS coefficient
N., Conners, C. K., symptoms in adult II: n = 394 males (mean modified version of the alphas ranged from .86-
Parker, J. D. A., & Reliability, validity, and age 38.8 years) Semistructured .92
Sitarenios, G. diagnostic sensitivity. n = 444 females (mean Interview for Adult -Test-retest correlations
(1999). age 39.55 years) ADHD .80-.91
-Significant correlations
Test-retest reliability between CAARS factors
n = 33 males and WURS total score (r
n = 28 females = .37 - .67)
-SENS 82%
Concurrent validity -SPEC 87%
n = 60 males -Positive predictive
n = 41 females power 87%
-Negative predictive
Criterion validity power 83%
n = 39 adults (23 males, -False positive rate 13%
16 females) who met -False negative rate 18%
DSM-IV criteria for -Kappa = .70
ADHD -Overall correct
classification rate 85%
Faraone, S. V., & What is the prevalence N = 966 Telephone survey- -Estimated prevalence
Biederman, J. of adult ADHD? Results Age over 18 years questionnaire including 2.9% narrow ADHD,
of a population screen of 48% male, 52% female questions on ADHD 16.4% broad ADHD
966 adults. (2005). symptoms from DSM- -Having ADHD
IV (narrow- if symptom associated with
occurred often, broad- if impairments such as
symptom occurred lower levels of education
120
sometimes) and employment status
-ADHD valid diagnosis
in adults
Faraone, S. V., Assessing symptoms of n = 280 ADHD families Schedule for Affective -ADHD is a valid adult
Biederman, J., Feighner, attention deficit (140 boys and 140 girls) Disorders and diagnosis
J. A., & Monuteaux, M. hyperactivity disorder in n = 242 non-ADHD Schizophrenia for -Higher risk for children
C. children and adults: families (120 boys and School-Age Children: whose parents have
Which is more valid? 122 girls) Epidemiologic persistent ADHD
(2000). Ages 6-17 years Version(Kiddie SADS-
E); Structured Clinical
Interview for DSM-III-
R
Faraone et al. Diagnosing adult n = 127 who met DSM- Structured Clinical -Subjects with late-onset
attention deficit IV criteria for Interview for DSM-IV; and full ADHD had
hyperactivity disorder: childhood-onset ADHD modules from the similar patterns of
Are late onset and n = 79 with late-onset Schedule for Affective psychiatric comorbidity,
subthreshold diagnoses ADHD who met all Disorders and functional impairment,
valid? (2006). criteria except age-at- Schizophrenia for and familial transmission
onset criterion School-Age Children -Late-onset adult ADHD
n= 41 subthreshold Epidemiologic Version is a valid diagnosis
ADHD who did not (K-SADS-E) -DSM-IV’s age-at-onset
meet full symptom criterion too stringent
criteria -Weak support for
n = 123 with no ADHD diagnosing subthreshold
Ages 18-55 years ADHD
Fayyad et al. Cross-national N = 11,422 Interview in 2 parts: Part -Prevalence averaged
prevalence and Ages 18-44 years I- core diagnostic 3.4% (range 1.2-7.3%),
correlates of adult 7 developed countries- assessments; Part II with lower prevalence in
attention-deficit Belgium, France, given to respondents lower-income countries
hyperactivity disorder. Germany, Italy, The who met criteria in part I (1.9%) compared with
(2007). Netherlands, Spain, and a subsample- higher-income (4.2%)
121
USA assessed disorders of -May be conservative
3 less developed- secondary interest and estimate due to
Colombia, Lebanon, & correlates limitations
Mexico -Cross-national variation
small compared to other
disorders
-Higher prevalence in
men and lower
educational levels
-Found ADHD to be
comorbid with other
disorders and
impairments
Fischer, M., & Barkley, Young adult outcomes n = 149 hyperactive Interviews to gather -Hyperactive group spent
R. of children with children information on amount significantly more time
hyperactivity: Leisure, n = 72 controls of time spent in various watching TV, listening to
financial, and social Tracked 13-15 years to leisure activities, music, talking on the
activities. (2006). young adulthood (ages monthly earning spent phone, and engaging in
19-25 years) on various experiences hobbies
91% male, 9% female and gambling activities; -Hyperactive group lower
94% White, 5% Black, WAIS-R Vocabulary quality of dating, fewer
1% Hispanic and Block Design close friends, more
trouble keeping friends,
and more likely to argue
Fischer, M., Barkley, R. The adolescent outcome n = 100 hyperactive Wide Range -Hyperactive children
A., Edelbrock, C. S., & of hyperactive children children Achievement Test impaired academic
Smallish, L. diagnosed by research n = 60 community Revised (WRAML-R); achievement, attention,
criteria II: Academic, control children Kagan Matching impulse control and great
attentional, and 2 groups: younger (12- Familiar Figures Test-20 off-task, restless, and
neuropsychological 14 years) and older (15- (MFFT-20); Continuous vocal behavior when
status. (1990). 20 years) Performance Test; compared to controls
122
Followed prospectively restricted academic -Hyperactive children
over 8 years situation; Selective may remain chronically
Reminding Test; impaired in academic
Wisconsin Card Sorting achievement, inattention,
Test; Controlled Oral and behavioral
Word Association Test disinhibition
Fischer, M., Barkley, R. Young adult follow-up n = 147 hyperactive SCID-NP for DSM-III- -Hyperactive group
A., Smallish, L., & of hyperactive children: n = 71 controls R; structured interview significantly higher risk
Fletcher, K. Self-reported psychiatric Ages 19-25 years of ADHD and ODD of psychiatric disorders
disorders, comorbidity, symptoms in young (59% vs. 36%)
and the role of adulthood; structured -More of the hyperactive
childhood conduct interview of antisocial group met criteria for
problems and teen CD. behavior; Conners ADHD (5%), major
(2002). Parent Rating Scale- depressive disorder
Revised (CPRS-R); (26%), histrionic (12%),
Werry-Weiss-Peters antisocial (21%), passive-
Activity Rating Scale aggressive (18%), and
(WWPARS); parent borderline (14%)
reports of conduct
disorder at adolescence
Flory, K., Molina, B. S. Childhood ADHD n = 175 men with Health and Sex -Childhood ADHD
G., Pelham, W. E., predicts risky sexual childhood ADHD Behavior Questionnaire; predicted earlier initiation
Gnagy, E., & Smith, B. behavior in young n = 111 controls Disruptive Behavior of sexual activity and
adulthood. (2006). Ages 18-26 years Disorders scales intercourse, more sexual
85% Caucasian partners, more casual sex,
and more partner
pregnancies
-Childhood conduct
problems play a role in
predicting risky sexual
behavior among
123
individuals with ADHD
Fried et al. Characterizing impaired n = 26 adult ADHD SCID; K-SADS-E; -More ADHD subjects
driving in adults with subjects WASI Vocabulary and have been in an accident
attention- n = 23 adult controls Matrix Reasoning or on the highway (35% vs.
deficit/hyperactivity WAIS Vocabulary and 9%) or had been rear-
disorder: A controlled Block Design; WAIS-III ended (50% vs. 17%)
study. (2006). 0ral arithmetic, digit -ADHD subjects had
span, digit symbol- higher mean scores on the
coding, and symbol DBQ
search; Manchester -ADHD drivers at risk for
Driving Behavior poor driving outcomes
Questionnaire (DBQ);
driving history
questionnaire
Garner, A. A., Dimensions and N = 322 children and Disruptive Behavior -Factor analyses
Marceaux, J. C., Mrug, correlates of attention adolescents Rating Scale; Child supported the presence of
S., Patterson, C., & deficit/hyperactivity Ages 5-17 years (mean Behavior Checklist three separate but
Hodgens, B. disorder and sluggish age 9 years) correlated factors: SCT,
cognitive tempo. (2010). 66% parent and teacher inattention, and
report, 14% teacher hyperactivity/impulsivity
reports, 20% parent -Support use of 4 CBCL
reports items (confused/seems to
77 females be in a fog, daydreams,
66% Caucasian, 32% stares blankly, and
African American, 2% apathetic/unmotivated) to
other assess SCT symptoms
-SCT symptoms were
associated with
inattention, internalizing,
and social problems
Gudjonsson, G. H., The relationship N = 397 college students DSM-IV Checklist of -Adult ADHD
124
Sigurdsson, J. F., between ADHD in Iceland Symptoms (DCS); significantly associated
Gudmundsdottir, H. G., symptoms in college 35.5% males, 64.5% R&R2 ADHD Training with functional
Sigurjonsdottir, S., & students and core females Evaluation (RATE); impairment
Smari, J. components of Average age males 23 Severity Indices of -Significant association
maladaptive personality. years Personality Problems between ADHD
(2010). Average age females (SIPP) symptoms and core
23.7 years maladaptive personality
problems (responsibility,
self-control, and social
concordance)
Hart et al. Developmental change N = 177 clinic-referred NIMH Diagnostic -Hyperactivity-
in attention-deficit boys meeting criteria for Interview Schedule for impulsivity symptoms
hyperactivity disorder in DSM-III-R ADHD Children (DISC)- child declined with increasing
boys: A four-year Ages 7-12 years at 1st version, parent, and age, but inattention did
longitudinal study. assessment teacher (assessed not
(1995). Mean age 9.4 years annually for 4 years- -Inattention symptoms
70% Anglo-Caucasian based on DSM-III-R; only declined from the 1st
WISC-R; treatment to 2nd assessment
history) -Declines in
hyperactivity-impulsivity
due to increasing age of
the subjects
-ADHD may be a chronic
disorder
-Boys who still met
criteria for ADHD in
Years 3 & 4 were
significantly younger,
more hyperactive-
impulsive, and more
likely to exhibit conduct
125
disorder in Year 1
Hill, B. D., Pella, R. D., The Wender Utah N = 522 WURS-25 item; -Person product-moment
Singh, A. N., Jones, G. Rating Scale: Adult Mean age 22.9 years Wechsler Adult correlations of WURS
rd
N., & Gouvier, W. D. ADHD diagnostic tool 52% male Intelligence Scale, 3 scores and
or personality index? 83% Caucasian, 12% Edition (WAIS-III); neuropsychological tests:
(2009). African-American, 2% Trail Making Test WAIS-III working
Hispanic/Latino, 1% (TMT); Conners’ memory (.085), WAIS-III
Asian American Continuous Performance processing speed (-.082),
Test (CPT); d2 Test of TMT (-.082), TMT part
Attention; Personality A (-.082), TMT part B (-
Assessment Inventory .039), d2 omission errors
(PAI) (-.087), d2 commission
errors (.025), d2 total
number (-.022), d2
concentration
performance (-.106), d2
fluctuation rate (.051),
Conners’ CPT RT (.002),
Conners’ CPT RT SE
(.160), Conners’ CPT SE
variability (.191),
Conners’ CPT hit RT
block change (-.053),
Conners’ CPT hit RT SE
block change (.007),
Conners’ CPT hit RT ISI
change (.101), Conners’
CPT hit RT SE ISI
change (.101)
-Pearson product-moment
correlations of WURS
126
scores & PAI scales:
somatic complaints
(.285), anxiety (.462),
anxiety-related disorders
(.351), depression (.448),
mania (.368), paranoia
(.332), schizophrenia
(.451), borderline features
(.562), antisocial features
(.211), drug problems
(.180), aggression (.431),
suicidal ideation (.279),
stress (.315), nonsupport
(.339), treatment rejection
(-.467)
Jachimowicz, G., & Comparison of ease of N = 80 college students Wender Utah Rating -ARS (15 positive
Geiselman, R. E. falsification of attention never diagnosed with Scale (WURS); CAARS diagnoses, 5 negative
deficit hyperactivity ADHD (49 women, 31 (self-report); Brown diagnoses), BADDS (19
disorder diagnosis using men) Adult ADHD Scale positive, 1 negative)
standard behavioral Mean age 19.29 years (BADDS); ADHD CAARS (18 positive, 2
rating scales. (2004). Rating Scale IV (ARS) negative), WURS (13
positive, 7 negative)
-All scales can be
significantly falsified:
75% ARS, 95% BADDS,
90% CAARS, 65%
WURS
-Authors expected 100%
of population to test
negative
Kessler et al. The world health N = 154 from the US WMH version of the -Each ASRS symptom
127
organization adult National Comorbidity CIDI including ASRS was significantly
ADHD self-report scale Survey Replication correlated to the matching
(ASRS): A short (NCS-R) clinical symptom from
screening scale for use Ages 18-44 years DSM-IV
in the general Weighted to match the -Kappa ranged from .16-
population. (2005). total sample of the NCS- .81
R -The ASRS screener
outperformed the 18-
question ASRS in
sensitivity (68.7% vs.
56.3%), specificity
(99.5% vs. 98.3%) and
total classification
accuracy (97.7% vs.
96.2%)
-The 18-item ASRS may
outperform the screener
Kessler et al. The prevalence and N = 3,199 Screen for adult ADHD; -Estimated prevalence of
correlates of adult Ages 18-44 years blinded clinical adult ADHD 4.4%- 3.2%
ADHD in the United interview (SCID) with n in women, 5.4% in men
States: Results from the = 154; ADHD Rating -Significantly correlated
national comorbidity Scale for childhood with being male,
survey replication. ADHD and an previously married,
(2006). adaptation of the ADHD unemployed, and non-
Rating Scale; World Hispanic White
Health Organization -Highly comorbid with
(WHO) Composite other DSM-IV disorders
International Diagnostic and associated with
Interview (CIDI) 3.0; substantial impairments
WHO Disability
Assessment Schedule
128
Kessler et al. Patterns and predictors N = 3,197 subjects from ADHD Clinical -36.3% met current
of attention- the National Diagnostic Scale criteria for ADHD
deficit/hyperactivity Comorbidity Survey (ACDS); WHO -Childhood ADHD
disorder persistence into Ages 18-44 years Composite International severity and childhood
adulthood: Results from Diagnostic Interview treatment significantly
the national comorbidity (CIDI); SCID; family predicted persistence
survey replication. history interview
(2005).
Kessler et al. Validity of the world N =668 adults in ASRS Screener (twice -Internal consistency
health organization adult California and Georgia to assess test-retest ranged from .63-.72
ADHD self-report scale reliability and a 3rd time -Test-retest reliability
(ASRS) screener in a with a clinical ranged from .58-.77
representative sample of interviewer) -Person correlations test-
health plan members. retest stability lower for
(2007). the 0-6 scoring approach
than for the 0-24
approach
-ASRS screener can be
used in epidemiological
research and clinical
work
-Previous studies had
focused on the 0-6
scoring approach, while
this study shows more
validity with the 0-24
scoring approach
Knouse, L. E., Bagwell, Accuracy of self- n = 44 ADHD adults Driving simulations -ADHD group had a
C. L., Barkley, R. A., & evaluation in adults with n = 44 adult controls were conducted with a higher rate of collisions,
Murphy, K. R. ADHD: Evidence from Mean age of ADHD virtual reality driving speeding tickets, and total
a driving study. (2005). adults 31.52 years simulator manufactured driving citations
129
Mean age of controls as a police training -ADHD adults report less
32.34 years simulator by FAAC; use of safe driving
84.1% Caucasian Driving History Survey; behaviors
Driving Behavior -Adults with ADHD
Survey (DBS); performed worse on
questionnaire to naturalistic measures and
estimate driving over-estimated their
competence by competence
percentile ranking of -May relate to executive
their driving ability and functioning deficits
simulator performance
Kollins, S. H., Association between N = 13,852 adolescents Separated into 2 groups -ADHD found to be
McClernon, J., & smoking and attention- 49.5% male, 50.5% based on smoking associated with adult
Fuemmeler, B. F. deficit/hyperactivity female behavior: “ever-regular” smoking
disorder symptoms in a 62.9% White, 37.1% smokers reporting -Hyperactive symptoms
population-based sample Non-White having smoked at least 1 better predictor of
of young adults. (2005). cigarette every day for lifetime regular smoking
30 days and “never- than inattention
regular smokers” who symptoms
never tried smoking or -More ADHD symptoms
had only taken 1 or 2 associated with earlier
puffs or did not smoke regular smoking and
regularly; self-reported greater cigarette
age at onset; number of consumption
cigarettes smoked per
day; retrospective report
on ADHD symptoms
experienced between 5
and 12 years; measure
of CD symptoms
Kooij et al. Reliability, validity, and n = 120 adults with ADHD Rating Scale; -ADHD Rating Scale:
130
utility of instruments for ADHD Conners’ Adult ADHD Cronbach’s alpha=.70-
self-report and Mean age 36.6 years Rating Scales .80, low convergent
informant report 55% male (CAARS); Brown validity for patient-
concerning symptoms of N = 100 partners Attention-Deficit partner (inattention
ADHD in adult patients. N = 110 parents Disorder Scale r=.386, hyperactivity-
(2008). (BADDS); structured impulsivity r=.423) and
interview Diagnostic patient-investigator
Interview Schedule-IV , (inattention r=.348,
section L (DIS-L) hyperactivity-impulsivity
r=.440), divergent
validity (r=.393, .327,
.161)
-ADHD-RS had adequate
validity, but convergent
validity was too low
when compared to
divergent validity
-BADDS reliability was
r=.685-.809, convergent
validity low (r=.497-
.729), divergent validity
(r=.221-.671)
-Most values of divergent
validity higher than
convergent validity on
BADDS indicating the
five factors are not
distinct
-CAARS-L most
reliability measures
above .80, low
131
convergent validity
(r=.439-.609), divergent
validity values tended to
be higher than convergent
validity
-DSI-L reliability r=.759,
low convergent validity
(r=.314 and .431),
divergent validity tended
to also be higher here
-When examining the
DSM-IV factors, the
ADHD Rating Scale had
the higher reliability,
followed by the DIS-L
and CAARS
-Convergent validity of
CAARS highest
-CAARS had the highest
number of missed
diagnoses (39.1%)
-BADDS & ADHD
Rating Scale best in
predicting clinical
diagnosis
-Adults with ADHD can
report their symptoms but
may underreport
-Informant report also
useful information
Kooij et al. Internal and external N = 1,813 from an General Health -Factors of inattention,
132
validity of attention- automated general Questionnaire (GHQ- hyperactivity, and
deficit hyperactivity practitioner system in 28); Dutch version of impulsivity as devised for
disorder in a population- The Netherlands DSM-IV rating scale; children can also be
based sample of adults Ages 18-75 years interview generalized to adults
(2005). -Four or more symptoms
associated with
significant increase in
impairments
Lahey et al. DSM-IV field trials for N = 380 clinic referred Diagnostic Interview for -Found three subtypes
attention deficit ages 4-17 years Children 2.3 (modified); presented in DSM-IV
hyperactivity disorder in Children’s Global (predominantly
children and Assessment Scale; The inattentive,
adolescents. (1994). Homework Problem predominantly
Checklist; standardized hyperactive-impulsive,
clinical diagnoses and combined types) to
be appropriate division
-Subtypes were found to
be different across types
of impairment, age, and
sex ratio but not ethnicity
-DSM-IV able to identify
more impaired girls and
preschool children
-Generalizability to adults
is unknown
La Malfa, G., Lassi, S., Detecting attention- N = 46 adults (30 males, CAARS screening -Concordance = .87
Bertelli, M., Pallanti, S., deficit/hyperactivity 16 females) version (self-report and Cronbach’s alpha = .96
& Albertini, G. disorder (ADHD) in Mean age 37.6 years observer- three -ICC = .75
adults with intellectual Intellectual disability: 9 educational therapists) -Prevalence of “ADHD-
disability: The use of mild, 20 moderate, 14 positive” 19.6%
Conners’ Adult ADHD severe, 3 profound
133
Rating Scales
(CAARS). (2008).
Lambert, N. M., & Prospective study of N= 492 children (1/3 Criteria from DSM-III- -ADHD participants
Hartsough, C. S. tobacco smoking and hyperactive) R; Children’s Attention smoke more cigarettes
substance dependencies Adult data obtained and Adjustment Survey daily and were more
among samples of from 81% of the 492 (CAAS) home and tobacco dependent (age
ADHD and non-ADHD participants (77% school versions; adult of initiation into smoking
participants. (1998). ADHD, 86% controls) interview derived from was not different)
California Smoking -ADHD subjects
Baseline Survey: Adult continued smoking into
Attitudes and Practices adulthood
and the Quick -Rates of cocaine
Diagnostic Interview dependence also higher
Schedule
Lewandowski, L. J., Symptoms of ADHD n = 496 students without 18 items taken from the -Students with ADHD
Lovett, B. J., Codding, and academic concerns ADHD DSM-IV checklist for reported significantly
R. S., & Gordon, M. in college students with n = 38 with ADHD ADHD; academic and more ADHD symptoms
and without ADHD Ages 18-49 years test-taking concerns and academic concerns
diagnoses. (2008). 66% 1st years, 20% 2nd -Poor specificity of
years, 14% symptoms and academic
upperclassmen complaints casts doubt on
81% Caucasian, 6.5% the utility of self-reported
African-American, 6% information
Hispanic, 2.5% -Suggests caution in
multiracial interpreting perceptions,
complaints, and self-
reports of college
students
-Thorough assessment of
adult ADHD should
include collaborative
134
reports
Luty et al. Validation of self-report N = 107 WHO Adult ADHD -ASRS: using
instruments to assess Mean age 37.8 Self-report Screener recommended cutoff of
attention deficit 63% men (ASRS); Wender Utah 12/13 of 24, SENS 89%,
hyperactivity disorder Drug and alcohol Rating Scale (WURS); SPEC 83%; a cutoff
symptoms in adults services for an average Conner’s Adult ADHD -WURS: cutoff of 36/37,
attending community of 8.8 years (65% opiate Rating Scale (CAARS- SENS 88%, SPEC 70%
drug and alcohol dependence, 32% S:L) -CAARS-S:L: cutoff of
services. (2009). alcohol use) 91 of 198, SENS 97%,
South East England SPEC 83%
-Most accurate self-report
scale was CAARS-S:L
Mackin, R. S., & Relationship of the N = 35 men referred for WURS- 25 item; -Pearson product moment
Horner, M. D. Wender Utah Rating neuropsychological Gordon Diagnostic correlation coefficients of
Scale to objective evaluation at the System (GDS); WURS score &
measures of attention. Department of Veterans Wechsler Adult neuropsychological tests:
(2005). Affairs Medical Center Intelligence Scale- GDS vigilance
Mean age 41.8 years Revised (digit span); commissions (.004), GDS
83% White, 11% Wechsler Memory vigilance correct (.093),
African-Americans, 6% Scale- Revised (mental digit span total (.113),
unspecified control); Trail Making digit symbol raw score (-
Test part A .691), mental control
(.518), trails A time
(.061), WAIS-R FSIQ
(.183), WAIS-R PIQ
(.124), WAIS-R VIQ
(.598), Age (.045),
Education level (-.156)
-No significant
differences in WURS
score between those
135
diagnosed with ADHD
and those without
-Poor digit symbol
associated with higher
self-report of childhood
ADHD symptoms
Magnusson et al. Validity of self-report n = 80 women Schedule for Affective -Alpha coefficients for
and informant rating n = 46 men Disorders and women ranged from .82 -
scales of adult ADHD Ages 17-77 years Schizophrenia for .96
symptoms in School-Age Children -Alpha coefficients for
comparison with a (K-SADS) adapted for men ranged from .81 - .96
semistructured adults, with 18 DSM-IV -Coefficients for total
diagnostic interview. behavioral criteria added scores on the diagnostic
(2006). interview .58 - .78
(women) and .49 - .80
(men)
-Coefficients between
total scores on the
diagnostic interview, self-
ratings, and observer-
ratings .55 - .83 (women)
and .50 - .78 (men)
-Highest correlations
between diagnostic
interview and self-report
Mannuzza, S., Klein, R. Adult outcome of N = 91 hyperactive Numbers of years of -Significant comorbidity
G., Bessler, A., Malloy, hyperactive boys: males formal schooling with antisocial
P., & LaPadula, M. Educational Ages 13-19 years completed; type of personality disorders and
achievement, educational degree; substance uses disorders
occupational rank, and Hollingshead and -Educational and
psychiatric status. Redlich occupational occupational impairments
136
(1993). scale; occupational
status; interviews using
DSM-III-R
Mannuzza, S., Klein, R. Adult psychiatric status n = 85 ADHD subjects Semi-structured -Higher prevalence of
G., Bessler, A., Malloy, of hyperactive boys n = 73 controls interview that included antisocial personality
P., & LaPadula, M. grown up. (1998). Caucasian sample DSM-III-R antisocial disorder and non-alcohol
Prospective follow-up personality, attention substance abuse
Mean age 24.1 years deficit, anxiety, mood, -4% continued to meet
substance, use, and ADHD criteria
psychotic disorders
McBurnett, K., Pfiffner, Symptom properties as a N = 692 children SNAP-R (mother and -Forgets, daydreams, and
L. J., & Frick, P. J. function of ADHD type: Ages 3-18 years teacher ratings of DSM sluggish/drowsy factor on
An argument for 78.5% males symptoms); SCT (not inattention)
continued study of 84% Caucasian, 7% -Factor analysis
sluggish cognitive Hispanic, 4% African distinguished sluggish
tempo. (2001). American, 2.4% Asian tempo from inattention
factor
-Sluggish tempo items
can be used for
inattentive type, or may
distinguish two subtypes
of inattentive type
-Current criteria in DSM-
IV does not reflect
symptoms of SCT
McCann, B. S., Scheele, Discriminant validity of N = 143 adults WURS 25-item version -Three factors accounted
L., Ward, N., & Roy- the Wender Utah Rating for 59.4% of variance:
Byrne, P. Scale for attention- dysthymia,
deficit/hyperactivity oppositional/defiant
disorder in adults. behavior, and school
(2000). problems
137
-Alpha coefficients: total
= .95, dysthymia = .91,
oppositional/defiant
behavior = .90, school
problems = .87
-Sensitivity 72.1%
-Specificity 57.5%
-TCA 64.5%
McCarney, S. B., & Adult Attention Deficit N = 2,003 adults A-ADDES home form -Publisher: Hawthorne
Anderson, P. D. Disorders Evaluation Less males than females Educational Services Inc.
Scale (A-ADDES): -46 items
Home version. (1996a). -(0) do not engage, (1)
one to several times per
month, (2) one to several
times per week, (3) one to
several times per day, (4)
one to several times per
hour
-Approximately 20
minutes
-Factor analysis (2
subscales: inattentive and
hyperactive-impulsive)
-Internal consistency .95-
.97 (self-report), .94-.97
(home), .96-.98 (work)
-Test-retest: .77-.78 (self-
report, .72-.80 (home),
.80-.83 (work)
-Inter-rater reliability
ranged from .38-.62
138
(home), .61-.73 (work)
-Convergent validity: .49-
.74 (self-report), .55-.75
(home), .58-.76 (work)
-Discriminant validity:
self-report and home
-Keyed to DSM-IV
symptoms
McCarney, S. B., & Adult Attention Deficit N = 2,204 adults A-ADDES self-report -Publisher: Hawthorne
Anderson, P. D. Disorders Evaluation Ages 18-71 years form Educational Services Inc.
Scale (A-ADDES): Self- 68.6% women -58 items
Report Version. -(0) do not engage, (1)
(1996b). one to several times per
month, (2) one to several
times per week, (3) one to
several times per day, (4)
one to several times per
hour
-Approximately 20
minutes
-Factor analysis (2
subscales: inattentive and
hyperactive-impulsive)
-Alpha= .97 (high
internal consistency)
-Test-rest reliability
pearson correlation
coefficient= .77
-Content Validity
McCarney, S. B., & Adult Attention Deficit N = 1,867 adults A-ADDES work form -Publisher: Hawthorne
Anderson, P. D. Disorders Evaluation Ages 18-65+ years Educational Services Inc.
139
Scale (A-ADDES): -54 items
Work Version. (1996c). -(0) do not engage, (1)
one to several times per
month, (2) one to several
times per week, (3) one to
several times per day, (4)
one to several times per
hour
-Approximately 20
minutes
-Factor analysis (2
subscales: inattentive and
hyperactive-impulsive)
-Internal consistency .80
-Test-retest .66-.83
-Inter-rater reliability .61-
.73
Millstein, R. B., Wilens, Presenting ADHD N = 149 adults Structured diagnostic -Inattentive symptoms
T. E., Biederman, J., & symptoms and subtypes Ages 19-60 years interviews (SCID) for most frequently endorsed
Spencer, T. J. in clinically referred DSM-III-R; Hollinshead in over 90% of ADHD
adults with ADHD. Four Factor Index of adults
(1997). Social Status -56% combined type
-37% inattentive type
-2%
hyperactive/impulsive
type
-Gender differences no
longer existed
Murphy, K., & Barkley, Attention deficit n = 172 adults diagnosed Portions of the SCID; -Those with ADHD
R. A. hyperactivity disorder with ADHD author-constructed significantly greater
adults: Comorbidities n = 30 without ADHD interview modules to prevalence of
140
and adaptive detect symptoms of oppositional, conduct,
impairments. (1996a). ADHD, oppositional substance abuse
defiant disorder, conduct disorders, psychological
disorder and adaptive maladjustment, speeding
functioning; Symptom tickets, and job changes
Checklist 90-Revised; -Impairments: suspension
Locke-Wallace Marital of driver’s license, fired
Adjustment Test; Rating from job, poorer
scales (current and educational performance
childhood) of the 14 -ADHD in adulthood
DSM-III-R associated with
significant comorbidities
and impairments
-Validity of ADHD as a
diagnosis in adults
Murphy, K., & Barkley, Prevalence of DSM-IV N = 720 adults Current symptoms scale -Study used the 2 self-
R. A. ADHD symptoms in Ages 17-84 adults and childhood report rating scales from
adult licensed drivers. applying or renewing symptoms scale the earlier versions of the
(1996b). driver’s licenses BAARS-IV
60% males -Scores and symptom
Mean age 35 years counts for both scales
Males: 86% white, 5% declined significantly
black, 5% Hispanic, 1% with age
Asian, 3% other -Prevalence 1.3%
Females: 85% white, 7% inattentive type, 2.5%
black, 2% Hispanic, 2% hyperactive-impulsive
Asian, 2% other type, and .9% combined
type
-Lower prevalence rates
could be due to restrictive
DSM criteria for adults
141
Murphy, K. R., Barkley, Young adults with n = 60 ADHD combined Kaufman Brief -Both ADHD groups had
R. A., & Bush, T. attention deficit type Intelligence Test; significantly less
hyperactivity disorder: n = 36 predominantly Structured Clinical education, were less
Subtype differences in inattentive type Interview of Disruptive likely to have graduated
comorbidity, n = 64 controls Behavior Disorders; from college, and were
educational and clinical Ages 17-27 years ADHD Rating Scale for more likely to have
history. (2002). Adults; Symptom received special
Checklist 90- Revised; education in high school
Structured Interview for -Both ADHD groups
Educational, Antisocial, greater likelihood of
Drug/Alcohol, and dysthymia, alcohol
Mental Health Services dependence/abuse,
Histories cannabis
dependence/abuse,
learning disorders, and
psychological distress
-Combined type more
likely to have
oppositional defiant
disorder, to experience
hostility and paranoia,
attempted suicide, and to
have been arrested
Murphy, P., & Use of self-ratings in the Study 1: n = 50 adults Questionnaires based on -Good correlation found
Schachar, R. assessment of symptoms (28 women, 22 men) DSM-IV criteria for between subject and
of attention deficit with parent ADHD observer scores in both
hyperactivity disorder in questionnaire (43 studies
adults (2000). mothers, 7 fathers) -Adults can accurately
Ages 20-50 years recall childhood and
current symptoms of
Study 2: n = 100 adults ADHD
142
(47 females, 53 males)
with partner
questionnaire
Ages 25-65 years
Penny, A. M., Developing a measure N = 335 children in Disruptive Behavior and -Developed 14-item SCT
Waschbusch, D. A., of sluggish cognitive Canada Inattention Rating Scale scale
Klein, R. M., Corkum, tempo for children: n = 127 Nova Scotia combined with 14 SCT -3 subscales: slow,
P., & Eskes, G. Content validity, factor (mean age 8.63 years, items authors sleepy, and daydreamer
structure, and reliability. 43% male) developed; The -Acceptable internal
(2009). n= 208 Ontario, mean Internalizing Scale consistency, test-retest
age 8.46 years, 45% reliability, and inter-rater
male), 89% Caucasian, reliabilities
6% minorities, 5% -SCT subscales poorly
unreported correlated with
hyperactive symptoms
and strongly correlated
with internalizing
problems
-Sleepy and daydreamer
subscales may best
represent SCT
Rossini, E. D., & Retrospective self- N = 83 undergraduate Wender Utah Rating -Alpha .89 (full version)
O’Connor, M. A. reported symptoms of students (66 women, 17 Scale (WURS) full (61- -Alpha .88 (short version)
attention-deficit men) item) and short (25- -ICC .68 (full version)
hyperactivity disorder: Mean age 27.9 years item) versions -ICC .74 (short version)
Reliability of the 70 Caucasians, 5 - r = .81 (both versions)
Wender Utah Rating African-Americans, 6
Scale. (1995). Asian-Americans, & 4
Hispanics
Roy-Byrne et al. Adult attention-deficit n = 46 ADHD adults Brief Symptom -ADHD group had
hyperactivity disorder: n = 46 controls Inventory/Symptom greater history of learning
143
Assessment guidelines n = 51 ADHD-like Checklist, Drug Abuse disability in childhood,
based on clinical features but did not meet Screening Test (DAST); poorer reading scores,
presentation to a criteria Alcohol Use Disorders poorer scores on CPT,
specialty clinic. (1997). Inventory Test and higher scores on
(AUDIT); Social WURS
Adjustment Scale- Self- -Subjects in the ADHD-
Report Version (SAS- like group had higher
S); Wide-Range rates of substance abuse
Achievement Test than both other groups
(WRAT); Continuous -Rating scales can help
Performance Test clarify diagnosis
(CPT); Wender Utah
Rating Scale (WURS)
Shekim, W. O., A clinical and N = 56 ADHD adults Schedule for Affective -Majority of sample had
Asarnow, R. F., Hess, demographic profile of a Ages 19-65 years Disorders and additional DSM-III-R
E., Zaucha, K., & sample of adults with 48 men, 8 women Schizophrenia- Lifetime diagnoses, only 7 had
Wheeler, N. attention deficit Version (SADS-L); ADHD alone
hyperactivity disorder, Symptoms Checklist -53% met criteria for
residual state. (1990). Revised (SCL-90R); generalized anxiety
Conners Attention disorder
Deficit Disorder with -34% alcohol abuse or
Hyperactivity Scale dependence
(ADDH); structured -30% drug abuse
interview with ADDH; -25% dysthymic disorder
global assessment of -25% cyclothymic
functioning; Utah disorder
Criteria for adult ADHD
Simon, V., Czobor, P., Prevalence and 6 population-based Meta-analysis of -Average 2.5%
Balint, S., Meszaros, A., correlates of adult studies epidemiological adult prevalence but varied
& Bitter, I. attention-deficit ADHD studies, dramatically between
hyperactivity disorder: excluding follow-up and studies possibly due to
144
Meta-analysis. (2009). family studies methodological
differences
-Prevalence of ADHD in
adults declines with age,
but it may be due to
diagnostic restrictions
-DSM-IV may lead to
underestimate of ADHD
due to criterion
Spencer et al. Validation of the adult Ages 18-54 years with Adult ADHD -AISRS high internal
ADHD investigator ADHD as of DSM-IV- Investigator Symptom consistency, good
symptom rating scale TR Rating Scale (AISRS); convergent and
(AISRS). (2010). n= 250 receiving Conners’ Adult discriminant validities,
atomoxetine Attention- modest divergent validity,
n= 250 controls Deficit/Hyperactivity and small ceiling and
Disorder Rating Scale- floor effects
Investigator Rated: -Correlates highly with
Screening Version the CAARS-Inv:SV
(CAARS- Inv:SV); -Factor analysis confirms
Clinical Global 2 AISRS subscales:
Impression-ADHD- hyperactivity-impulsivity
Severity Scale; and inattention
Montgomery and -Valid measure to assess
Asberg Depression ADHD symptoms in
Rating Scale; State Trait adults
Anxiety Inventory -Authors assert the items
and semi-structured
interview enhance the
scale
Spencer et al. A randomized, single- n = 14 continue IR-MPH Psychiatric evaluation; -OROS-MPH was as
blind, substitution study n = 41 randomized to Structured Diagnostic effective as IR-MPH in
145
of OROS OROS-MPH Interview (SCID); adults
methylphenidate Ages 19-60 years medical history; vital -Of those who switched
(Concerta) in ADHD signs; laboratory to OROS-MPH, 71%
adults receiving assessments; Clinical were satisfied
immediate release Global Impression -Better compliance with
methylphenidate. Scale; Adult ADHD OROS-MPH than IR-
(2011). Symptom Investigator MPH
Scale (AISRS); -AISRS used in research
Hamilton Depression
Scale, Hamilton Anxiety
Scale, treatment
satisfaction measured by
a scale developed by
Swanson et al. 2000
Stein et al. Psychometric n = 310 fathers (mean Wender Utah Rating -For males, 5-factors:
characteristics of the age 36.4 years) Scale (WURS) full conduct problems,
Wender Utah Rating n = 305 mothers (mean version learning problems, stress
Scale (WURS): age 33.8 years) of intolerance, attention
Reliability and factor children referred for problems, and poor social
structure for men and ADHD skills/awkward
women. (1995). -For females, 5-factors:
n = 57 adults (test-retest, dysphoria,
1 month apart) impulsive/conduct,
learning problems,
attention and
organizational problems,
and unpopular
-Cronbach’s alpha .72 -
.85 (males) & .69 - .89
(females)
-Test-retest .70 - .89
146
(males) & .84 - .90
(females)
Sullivan, B. K., May, Symptom exaggeration N = 66 comprehensive Word Memory Test -WMT scores were
K., & Galbally, L. by college adults in assessment cases of (WMT), ADHD/LD positively correlated
attention-deficit ADHD and/or LD assessment (including intellectual and
hyperactivity disorder self-report inventories) neurocognitive test scores
and learning disorder -WMT negatively
assessments. (2007). correlated with self-report
inventory scores
-Poor effort “implies”
symptom exaggeration
-Need for symptom
validity measures
Surman et al. Atomoxetine in the n = 43 ADHD-NOS Psychiatric evaluation; -Clinically and
treatment of adults with n = 1 subthreshold Structured Diagnostic statistically significant
subthreshold and/or late ADHD Interview; medical response
onset attention-deficit n = 1 both late onset and history; vital signs, -First clinical trial of
hyperactivity disorder- subthreshold ADHD laboratory assessments; atomoxetine for adults
not otherwise specified Ages 19-56 years (mean SCID; Clinical Global with ADHD-NOS
(ADHD-NOS): A age 39.5 years) Impression Scale; -AISRS used in research
prospective open-label 58% male AISRS; Global
6-week study. (2010). Assessment of
Functioning
Torgersen, T., Gjervan, ADHD in adults: A N = 45 adults with Comprehensive -Impaired in academic
B., & Rasmussen, K. study of clinical ADHD (34 men psychiatric examination; achievement,
characteristics, 11 women) when possible parents, employment, and
impairment and Mean age 28.3 years teachers, and other criminality
comorbidity. (2006). relevant person were -High levels of
interviewed about comorbidity, especially
patient’s childhood; with alcohol and drug
neuropsychological abuse, antisocial
147
battery; symptom personality disorder, and
checklist 90-items; depression
symptom checklist for -ADHD diagnosis was
hyperkinetic disorders missed in most cases in
childhood
Triolo, S. J., & Murphy, Attention-deficit scales N = 306 (139 females, ADSA -Publisher:
K. R. for adults (ADSA). 167 males) Brunner/Mazel
(1996). 82% white, 13.7% Publishers: A member of
black, 1.3% Asian, 1.6% the Taylor & Francis
Hispanic, less than 1% group
Native American -54 items
Most from NE and SE -5-point Likert scale:
regions of US ever, seldom, sometimes,
often, always
-Approximately 20
minutes
-Factors: attention-
focus/concentration,
interpersonal, behavior-
disorganized activity,
coordination, academic
theme, emotive,
consistency/long-term,
childhood, and negative-
social
-Internal consistency .89
(total score), .02-.82
alpha clusters, .81 split-
half
-Sensitivity 82%,
Specificity 91%, TCA
148
89% (based on 4
subscales)
-No informant forms
-Manual not as
comprehensive as others
-Limited reliability and
validity data
-Did not report age range
in normative sample
-Only available through
Psychology Press (UK)
Van Voorhees, E. E., Reliability and validity N = 349 adults Conners’ Adult ADHD -Item-level concordance
Hardy, K. K., & Kollins, of self- and other- Ages 18-70 years Scale- Self: Long rates ranged from slight
S. H. ratings of symptoms of Mean age 32 years Version (CAARS-S:L); to fair
ADHD in adults. CAARS-O: n=111 Conners’ Adult ADHD -Poor sensitivity and
(2011). friend, n= 49 parents, n= Rating Scale- Observer: specificity in predicting
115 spouses, n= 74 Long Version (CAARS- ADHD diagnosis
others O); computerized -High percentage of
38.5% women Structured Clinical participants with
86.4% Caucasian, 5.1% Interview for the DSM- internalizing disorders
African-American, 1.8% IV (CAADID), Parts I (anxiety and depression)
Hispanic, 2.9% Asian, and II; semi-structured had scores in clinical
3.7% biracial or other clinical interview; when range
available, -Self- and observer-
psychoeducational test ratings on the CAARS
results, medical records, provide clinically
and school records relevant data about
attention problems in
adults, but does not
effectively distinguish
between ADHD and other
149
adult psychiatric
disorders
Wahlstedt, C., & DSM-IV-defined N = 209 children Stroop task; Go/No-Go -DSM-IV inattention and
Bohlin, G. inattention and sluggish Mean age 8 years paradigms; Children’s SCT have
cognitive tempo: 111 boys Size-Ordering Task; Pig neuropsychological
Independent and House; WISC-III processes and comorbid
interactive relations to (Information and Block behavioral problems in
neuropsychological Design); ADHD and common (internalizing
factors and comorbidity. ODD symptoms rating problems and academic
(2010). scale; Childhood achievement)
Behavior Checklist- -DSM-IV symptoms
Teacher (5 items); related to inhibitory
Emotional Problem control, working
Scale; teachers rated memory, state regulation,
academic achievement internalizing problems,
on 5-point Likert scale and poor academic
achievement
-DSM-IV inattention
more related to executive
dysfunction
-SCT more related to
sustained attention
-
Ward, M. F., Wender, P. The Wender Utah n = 81 adult outpatients Wender Utah Rating -Patients with ADHD had
H., & Reimherr, F. W. Rating Scale: An aid in with ADHD (mean age Scale; Parents’ Rating significantly higher mean
the retrospective 30.7 years) Scale (when available) scores on all 25 items
diagnosis of childhood n = 100 controls (42.5 than both control groups
attention deficit years) -Correlations between
hyperactivity disorder. n = 70 adult outpatients WURS and parent rating
(1993). with unipolar depression scales were moderate
(mean age 39.8 years) -WURS able to identify
150
childhood ADHD
West, S. L., Mulsow, Factor analysis of the N = 268 (170 males, 92 ADSA -7 factors were found
M., & Arredondo, R. attention deficit scales females, 6 unspecified) -Of all the factors, a
for adults (ADSA) with Caucasian (77%), majority of items were
a clinical sample of Hispanics (18%), included in factor 1
outpatient substance African Americans (3%) -High reliability
abusers. (2003). Mean age 37.52 years (alpha=.93 total, .89 for
Primary drug of choice: males, .94 for females)
alcohol (51%), alcohol -ADSA may measure a
and drug (8%), opiates single dimension
(8%), polydrug (8%), -Construct validity:
cocaine (8%), cannabis ADSA and a second
(5%), amphetamines measure (unidentified)
(3%), sedatives (2%), comprised of the 18
heroin (1%), DSM-IV symptoms
barbiturates (1%), -Total ADSA score was
inhalants (.3%) significantly correlated
with all three DSM-IV
dimensions (inattention,
hyperactivity, and
impulsivity)
Whalen, C. K., Jamner, The ADHD spectrum N = 153 adolescents Teen Health Screening -Those with high ADHD
L. D., Henker, B., and everyday life: with low, middle, or Survey; Conners’ symptom levels had more
Delfino, R. J., & Experience sampling of high levels of ADHD Parenting Rating Scale- negative and fewer
Lozano, J. adolescent moods, symptoms Revised (CPRS-R); positive moods (elevated
activities, smoking, and Mean age 14 years Conners-Well’s rates of anger, anxiety,
drinking. (2002). 52% Caucasian, 16% Adolescent Self-Report stress, and sadness),
Asian, 7% Latino, 4% Scale (CASS); custom lower alertness, more
African-American, 21% diary program installed entertaining activities
mixed or other on Palm III relative to achievement-
oriented pursuits, more
151
time with friends vs.
family, and more tobacco
and alcohol use
-ADHD characteristics
associated with
behavioral patterns that
promote more deviance,
unhealthy lifestyle
behaviors, and
vulnerability to nicotine
dependence
Wierzbicki, M. Reliability and validity N = 111 college students WURS; Beck -Coefficient alpha: .87
of the Wender Utah (24 men, 86 women, 1 Depression Inventory; time 1 & .89 time 2
Rating Scale for college unknown) mood related events of (WURS-61) & .89 time 1
students. (2005). Age range 18 – 24 years the Unpleasant Events and .91 time 2 (WURS-
Schedule; Automatic 25)
n = 67 (time 2) Thoughts Questionnaire -Test-retest: .68 (WURS-
61) & .61 (WURS-25)
-WURS & depressive
symptoms: .33 - .47
-Dysphoria: .35 - .55
Zhang, S., Faries, D. E., ADHD rating scale IV: N = 604 patients ADHD-RS-IV; KADS- -Article reviewed
Vowles, M., & Psychometric properties 14 countries PL semi-structured psychometric properties
Michelson, D. from a multinational Ages 6-15 years interview including inter-rater
study as a clinician- Mean age 10.24 years reliability, factor
administered instrument. structure, internal
(2005). consistency, test-retest
reliability, discriminant
validity, and
responsiveness
-ADHD-RS-IV found to
152
have acceptable
psychometric properties
including inter-rater
reliability, test-retest
reliability, internal
consistency, factor
structure, convergent and
divergent validity,
discriminant validity, and
responsiveness
-Results comparable to
other validated scales
-Consistent across the 14
countries
Zucker, M., Morris, M. Concordance of self- N = 281 Participants and -Concordance levels were
K., Ingram, S. M., and information ratings 53.7% males, 46.3% informants completed similar for current and
Morris, R. D., & of adults’ current and females two versions (childhood childhood symptoms
Bakeman, R. childhood attention- Mean age 23.59 years and current symptoms) -Informants endorsed
deficit/hyperactivity 84.7% Caucasian, 7.8% of the ADHD Behavior more significant
disorder symptoms. African-American, 7.5% Checklist for Adults inattention symptoms
(2002). other -Reliability of using
Informants were behavior rating scales for
predominantly parents adult ADHD
69.8%, 13.2%
friends/roommates,
10.7% partners, 5.7%
others
153
Section B- Non-Empirical Literature
Author Title/Year Purpose Summaries/Key Findings/Comments
Achenbach, T. M. Manual for the child Rating scale in which parents -First section of questionnaire consists of 20
behavior checklist/ 4-18 and informants rate their child’s competence items
and 1991 profile. problem behaviors and -Second section consists of 120 items on
(1991a). competencies. behavioral or emotional problems during
the past 6 months (two versions exist: ages
1.5-5 years and 6-18 years)
-Validated and well-used rating scale to
assess child/adolescent ADHD and its
comorbid problems
Achenbach, T. M. Manual for the teacher’s Rating scale that obtains -Teacher’s rate children’s academic
report form and 1991 teacher’s reports of children’s performance in each subject on a 5-point
profile. (1991b). academic performance, adaptive scale ranging from 1 (far below grade level)
functioning, and to 5 (far above grade level)
behavioral/emotional problems. -For adaptive functioning teachers use a 7-
piont scale to compare the child to typical
peers for their behavior, learning, and
emotional skills
-Validated teacher’s rating scale to assess
ADHD and other behavioral/emotional
problems
Achenbach, T. M. Manual for the youth Youth self-report (YSR) allows -Parallels the parent form and provides self-
self-report and 1991 children/adolescents to rate ratings for 20 competence and problem
profile. (1991c). themselves on their behavioral items
and emotional well-being in the -Same three-point rating scale as parent and
past 6 months. teacher forms
-Ages 6-18 years
-Also includes open-ended responses to
include physical problems, concerns, and
strengths
154
Adler, L. A. Clinical presentations of Describes what symptoms may -ADHD persists into adulthood
adult patients with present in adult ADHD, -Symptoms similar to those seen in
ADHD. (2004). including case reports. childhood: restlessness, distractibility, and
impulsivity, but the expression of symptoms
changes as age increases
-Use of retrospective reporting and rating
scales to determine diagnosis
-Prevalence of comorbid disorders
Adler, L., & Cohen, J. Diagnosis and Overview of the history of -DSM-IV first to acknowledge that “full-
evaluation of adults with ADHD, symptom criteria, fledged” ADHD can persist into adulthood
attention- comorbidity, presenting -Gender ratio may be more like 2:1 in
deficit/hyperactivity problems, adults, and clinicians may see more women
disorder. (2004). educational/occupational presenting with symptoms who were
challenges, gender/cultural overlooked in childhood because of their
considerations, and rating scales. lack of hyperactive/impulsive, oppositional
symptoms
-Prevalence rates similar across cultures;
however, cultural differences play a role in
how the disorder is interpreted
-Article also provides a brief description of
rating scales available to assess ADHD, but
with no reliability/validity data
Adler, L., Kessler, R. C., Adult ADHD Self- The ASRS- available online. -Based on DSM-IV criteria (revised to more
& Spencer, T. Report Scale (ASRS) accurately fit manifestation of ADHD in
Symptom Checklist. adults)
(2003). -18 items (9 inattention and 9
hyperactivity/impulsivity)
-Rate items on past 6 months
-5-point Likert scale: (0) never, (1) rarely,
(2) sometimes, (3) often, and (4) very often
-Score 24 points or more on either section
155
patient is highly likely to have ADHD,
score between 17-23 somewhat likely
-Takes about 5 minutes to complete scale
-Available free online
American Academy of Practice parameter for Describes the assessment and -Discusses the clinical evaluation of ADHD,
Child and Adolescent the assessment and treatment of children and comorbid disorders, etiology, and
Psychiatry. treatment of children and adolescents with ADHD based psychopharmacological and psychosocial
adolescents with on current scientific evidence interventions
attention-deficit and clinical consensus of -Recommendations: screening for ADHD,
hyperactivity disorder. experts. review of medical, social, and family
(2007). history, neurological testing if indicated,
evaluate for comorbid conditions, and
comprehensive treatment plan
-Lists common behavior ratings scales used
in the assessment and monitoring treatment
American Psychiatric Diagnostic and statistical Provides standard criteria for the -Provides current criteria for ADHD
Association. manual of mental classification of mental -Separate criteria does not exist for adult
disorders (4th ed.). disorders. Includes diagnostic ADHD
(2000). features, associated features, -Under revision (DSM-V)
prevalence, course, differential
diagnosis, and diagnostic criteria
for each disorder.
American Psychiatric American Psychiatric Website providing the draft -www.DSM5.org
Association. Association: DSM-5 revisions being considered for -Set for publication May 2013
development. (2012). the DSM-5. -Includes revisions to make it easier to
diagnose ADHD in adults
-For older adolescents and adults (17+),
only 4 symptoms are required
-Describes how some symptoms may
manifest in adults
156
Barkley, R. A. Child behavior rating Chapter reviewing and -Review of rating scales that can be
scales and checklists. critiquing a number of rating completed by parents or teachers assessing
(1988). scales for children/adolescents. dimensions of child psychopathology
-Reviewed scales include the Conners
Rating Scale and CBCL
-Rating scales have been used to assess
child/adolescent psychopathology
(including ADHD) for many years
Barkley, R. A. Attention-deficit Book for clinicians divided into -Describes theory of ADHD, including
hyperactivity disorder: A 3 sections: (a) nature and ADHD as a developmental disorder
handbook for diagnosis diagnosis, (b) assessment, and -Criteria should reflect age-related changes;
and treatment (2nd ed.). (c) treatment. Part A includes current criteria not developmentally
(1998). history, symptoms, criteria, sensitive
prevalence, impairments, -Multiple impairments and comorbidities
comorbid disorders, associated with ADHD
developmental course, and a -Persists into adulthood
theory of ADHD. The
assessment section is comprised
of multiple chapters from
different authors, including a
section on assessing ADHD in
adults. Part C focuses on
treatment.
Barkley et al. Consensus statement on Researchers and clinicians -Recognition of ADHD as a disorder by
ADHD. (2002). created a consensus statement psychiatric and medical researchers.
on ADHD out of concern that -Impairments in major life activities such as
the media portrayed ADHD as a education, social relationships, family
“myth, fraud, or benign functioning, independence and self-
condition” (p. 96). sufficiency, adherence to social
rules/norms/laws, and occupational
functioning
-Current evidence indicates deficits in
157
behavioral inhibition and sustained attention
-Also notes genetic contribution
-ADHD individuals more likely to drop out
of school (32-40%), rarely complete college
(5-10%), have few or no friends (50-70%),
under perform at work (70-80%), engage in
antisocial activities (40-50%), and use
tobacco or substances
-In addition, individuals with ADHD are
more at risk to experience teenage
pregnancy (40%), sexually transmitted
diseases (16%), speed excessively and have
multiple car accidents, to experience
depression (20-30%), and personality
disorders as adults (18-25%)
Barkley, R. A., & Cox, A review of driving risks Review of scientific literature on -Well-documented driving risks and
D. and impairments driving risks and impairments impairments associated with ADHD
associated with associated with ADHD and the -Positive effects of stimulant medications
attention- effects of stimulants on driving on driving performance
deficit/hyperactivity performance.
disorder and the effects
of stimulant medication
on driving performance.
(2007).
Barkley, R. A., & Attention-deficit Book describing the nature and -Provides assessment and treatment forms,
Murphy, K. R. hyperactivity disorder: A diagnosis, assessment, and questionnaires, and handouts
clinical workbook (2nd treatment of ADHD, including a
ed.). (1998). chapter on assessing adult
ADHD.
Biederman, J. Impact of comorbidity in Review of research on -Ratio of male to female in adult population
adults with attention- persistence/prevalence of adult 3:2
158
deficit/hyperactivity ADHD and its comorbidities: -Individuals with ADHD have a higher
disorder. (2004). antisocial disorders, mood and lifetime prevalence of conduct disorder,
anxiety disorders, alcohol and oppositional defiant disorder, and antisocial
substance abuse and dependence personality disorder
including potential economic -Higher rates of anxiety disorders, alcohol
costs. and drug abuse/dependence more common
in individuals with ADHD
-Social and economic consequences of
undiagnosed and untreated adult ADHD can
be costly
Brown, T. Differential diagnosis of Chapter from book where -Core symptoms of ADHDs are cognitive
ADD versus ADHD in Brown addresses the differential impairments
adults. (1995). diagnosis of ADHD with -These cognitive symptoms are the most
hyperactivity and ADHD central impairment especially for adults
without hyperactivity. -Inability to “make themselves do it” when
they need to get organized or sustain
attention for uninteresting tasks
-Brown conceptualizes ADHD inattentive
type in 5 clusters: (1) activating and
organizing to work, (2) sustaining attention,
(3) sustaining energy and effort, and (4)
moodiness and sensitivity to criticism, and
(5) memory recall
-Focus on ADHD predominantly inattentive
type, which made be harder for clinicians to
identify because it is not as readily
observable as hyperactivity-impulsivity
symptoms
Cicchetti, D. V. Guidelines, criteria, and Reviews standardization -Internal consistently most often measured
rules of thumb for procedures, norming procedures, by coefficient alpha or Kuder-Richardson
evaluating normed and test reliability, and test validity. (KR-20) formula
159
standardized assessment -Other reliability measurements include
instruments in kappa and intraclass correlation coefficient
psychology. (1994). -Guidelines for internal consistency
coefficient alpha (Cicchetti & Sparrow,
1990): <.70 unacceptable, .70-.79 fair, .80-
.89 good, and >.90 excellent
-Other reliability coefficients: <.40 poor,
.40-.59 fair, .60-.74 good, and >.75
excellent
Cicchetti, D. V. & Assessment of adaptive A book chapter review of -Provides definitions or reliability properties
Sparrow, S. behavior in young adaptive behavior scales. -Internal consistency correlations of .70 or
children. (1990). higher are considered acceptable
-Guidelines for internal consistency: <.70
unacceptable, .70-.79 fair, .80-.89 good, and
>.90 excellent
Collett, B. R., Ohan, J. Ten-year review of Article summarizes scales -Reviewed psychometric properties
L., & Myers, K. M. rating scales V: Scales assessing ADHD in children and -Ratings scales can be a reliable, valid, and
assessing attention- adolescents. The authors efficient measure of ADHD
deficit/hyperactivity reviewed articles on ADHD -Example of how to organize review of
disorder. (2003). over the past decade and ADHD rating scales (general description,
selected scales based on the scales and scoring, normative data,
DSM-IV construct of ADHD. psychometric properties, applications, and
advantages/disadvantages)
-Did not review any adult scales
Conners, C. K., & Jett, J. Attention deficit A book reviewing information -Current criteria may not accurately reflect
L. hyperactivity disorder on how to diagnose, assess, and presentation in adulthood
(in adults and children): treat ADHD. Chapters include -Describes typical behaviors seen in adults
The latest assessment general information on ADHD, with ADHD (avoiding activities requiring
and treatment strategies. criteria, medication, sustained attention, problems finishing
(1999). psychosocial treatment, tasks, impulse shopping, frequent job
assessment measures, and changes, etc.)
160
differential diagnoses. -Brief overview of rating scales for children
and adolescents
-Limited scales available for adult
assessment of ADHD
Davidson, M. A. ADHD in adults: A Examined current research -A valid and reliable assessment of ADHD
review of the literature. regarding ADHD and provided should include symptom rating scales, a
(2008). information on assessment, clinical interview, neuropsychological
diagnosis, and treatment. testing, and corroboration of patient reports
-More specific diagnostic criteria in regards
to adult ADHD is needed
-Self-report and informant checklists are
commonly used in assessment of ADHD
-Scales included: CAARS-IV, Brown ADD-
RS, WURS, CSS, ADHD RS-IV, and
ASRS-v1.1
DeVellis, R. F. Scale development: Describes the rationale and -Overview of the latent variable, reliability,
Theory and Applications method of scale development for validity, guidelines in scale development,
(2nd ed.). (2003). research. factor analysis, item response theory, and
measurement
Diamond, A. Attention-deficit Article supporting ADHD -Main problem in ADHD-IA (inattentive-
disorder (attention- inattentive-type as a separate type) is in working memory
deficit/hyperactivity disorder from ADHD with -May be easily bored and under-aroused
disorder without hyperactivity. -Primary brain dysfunction may be in the
hyperactivity): A cortex (frontal-parietal) for ADHD-IA
neurobiologically and rather than frontal-striatal as in combined
behaviorally distinct type
disorder from attention- -Support ADHD-IA as a separate disorder
deficit/hyperactivity -Differs in cognitive and behavioral
disorder (with profiles, comorbidities, response to
hyperactivity). (2005). treatment, and neurobiologically
161
DuPaul, G. J., Power, T. ADHD rating scale-IV: Manual to administer ADHD -Updated information on scale’s
J., Anastopoulos, A. D., Checklists, norms, and rating scale (ADHD RS-IV) to development
& Reid, R. clinical interpretation. children and adolescents. -Scoring profiles for ages 5-17
(1998). Chapters include introduction to -Contains 18 items that are linked to DSM-
ADHD rating scales, factor IV diagnostic criteria
analysis, standardization and -Includes parent and teacher questionnaires
normative data, reliability and -Norms for parent and teacher ratings
validity, interpretation and use -Findings on reliability and validity
of scales for diagnostic and -Included in price of manual is permission
screening purposes, and to photocopy and reproduce scale as often
interpretation and use of scales as needed
for evaluating treatment
outcome.
Faries, D. E., Yalcin, I., Validation of the ADHD Assessed the validity and -Provides definitions and guidelines for
Harder, D., & rating scale as a clinician reliability of the ADHD Rating assessing reliability and validity
Heiligenstein, J. H. administered and scored Scale when completely by Results indicate that the ADHD-RS has
instrument. (2001). trained clinicians based on acceptable levels of inter-rater reliability,
interviews with parents. test-retest reliability, internal consistency,
convergent validity, discriminant validity,
and responsiveness
-Results are comparable to other validated
scales for assessing ADHD symptom
severity
Frost, M. H., Reeve, B. What is sufficient Describes the necessary -Defines reliability and internal consistency
B., Liepa, A. M., evidence for the psychometric properties of -For clinical trials, a minimum reliability of
Stauffer, J. W., & Hays, reliability and validity of patient-reported outcomes, .70 is recommended
R. D. patient-reported outcome including reliability and validity. -Sample sizes should include at least 200
measures? (2007). cases
-Defines validity and subtypes
Goldman, L. S., Genel, Diagnosis and treatment Literature review addressing the -Describes epidemiology, diagnosis,
M. G., Bezman, R. J., & of attention- diagnosis, treatment, and care of illness/course, and treatment of ADHD
Slanetz, J. deficit/hyperactivity ADHD, particularly in regards -Did not find widespread over-prescription
162
disorder in children and to over-prescription of by physicians
adolescents. (1998). methylphenidate. -Promotes comprehensive assessment of
ADHD
-Cross-national prevalence rates appear to
be similar
Goldstein, S. & Ellison, Clinicians’ guide to Clinicians’ manual presenting -Includes overview of adult ADHD and
A. T. adult ADHD: review of existing literature, factors affecting its outcome
Assessment and clinical guidelines, and research -Provides research on impairments/adaptive
intervention. (2002). on the treatment of ADHD. functioning, and comorbidities
-A chapter also provides information on the
practice parameters for the assessment of
adult ADHD and making the diagnosis
Greve, K. W., & Setting empirical cut- Outlines an approach for setting -Defines sensitivity, specificity, and
Bianchini, K. J. offs on psychometric cut-offs on techniques designed predictive power
indicators of negative to identify the presence of -Sensitivity: true positive rate, number of
response bias: A negative response bias. persons with the condition who had a
methodological positive test result
commentary with -Specificity: true negative rate, number of
recommendations. persons without the condition who had a
(2004). negative test result
-Predictive power: index of confidence one
can have that an individual test is accurate
Hallowell, E. M., & Driven to distraction: Book geared towards non- -Published in 1994 and caught the attention
Ratey, J. J. Recognizing and coping professional who has ADHD or of the media and public
with attention deficit who knows someone who does. -Advantages of having ADHD: high energy,
disorder from childhood Touches on childhood ADHD, intuitiveness, creativity, enthusiasm
through adulthood. adult ADHD, and advantages -Presents case studies and famous people
(1994). and struggles. who had ADHD
-List of tips for dealing with ADHD in
children, a partner, or a family member
-Often a recommended read for someone
163
diagnosed with ADHD
Hardt, J. & Rutter, M. Validity of adult A computer- and hand-based -Retrospective reports in adulthood of major
retrospective reports of search to identify studies adverse experiences in childhood involve a
adverse childhood (between 1980 and 2001) in substantial rate of false negatives and
experiences: Review of which there was a quantified measurement error
the evidence. (2004). assessment of the validity of -Findings suggest little weight can be placed
retrospective recall of sexual on retrospective reports of details of early
abuse, physical abuse, experiences or on reports of experiences
physical/emotional neglect or that rely on judgment or interpretation
family discord, using samples of
at least 40.
Hart, E. L., & Lahey, B. General child behavior An overview of the qualities and -More attention is being paid to the
B. rating scales. (1999). uses of rating scales for reliability and validity of assessment
assessing child behavior measures
problems. Includes a review of -Rating scales provide rules for obtaining,
some of the most widely used combining, and interpreting data, and
multidimensional scales. provide a basis for determining whether a
subject’s behavior is deviant from the norm
-Allows data to be collected in a more
objective and systematic way
-3 most common indices of reliability are:
test-retest, inter-rater, and internal
consistency
-Validity: construct, content, face, and
criterion
Helms, J. E., Henze, K. Treating Cronbach’s Focusing on Cronbach’s alpha -Describes internal consistency and
T., Sass, T. L., & alpha reliability internal consistency reliability minimum standards
Mifsud, V. A. coefficients as data in estimates, the articles defines -Cronbach’s alpha is the most frequently
counseling research. and provides rationales for used procedure for estimating reliability in
(2006). reporting, analyzing, applied psychology
interpreting, and using reliability
164
data.
Hinshaw, S. P., & Nigg, Behavior rating scales in Discusses conceptual issues -Definition of ratings: quantified appraisals
J. T. the assessment of pertaining to the use of behavior of behavioral items or domains, made over
disruptive behavior rating scales as assessment relatively lengthy time periods
problems in childhood. devices, advantages and -Ratings yield extremely valid portrayals of
(1999). disadvantages, and psychometric an individual’s dispositions
properties on selected ADHD, -Advantages of rating scales: utility, ease of
OD, and CD rating scales. administration, quick, limited training time,
etc.
Disadvantages: halo effects, leniency or
severity effects, range restriction, logical
errors, etc.
-Many scales fail to report ethnic
composition of their norming samples
-Examples of organization in reviewing
scales
Jensen, B. J., & Haynes, Self-report Review of using self-report -Purpose of rating scales:
S. N. questionnaires and measures in assessment. screening/diagnosis, identifying/quantifying
inventories. (1986). symptoms, alternative behaviors, variables,
evaluating treatment
Kalbag, A. S., & Levin, Adult ADHD and Reviews the diagnostic -Diagnostic controversies in ADHD and
F. R. substance abuse: assessment issues, prevalence, how it relates to diagnosing those with co-
Diagnostic and treatment comorbidity, pharmacotherapy, morbid substance use
issues. (2005). and psychological interventions -Under-diagnosis of ADHD in substance-
in substance-abusing adults with users
ADHD. -Research review of prevalence of
substance use and ADHD
-Short review of Brown Attention Deficit
Disorder Scales for Adults, Wender Utah
Rating Scale, Weinder-Reimherr Adult
Attention Deficit Disorder Scale, Conners
165
Adult ADHD Rating Scale, Adult Self-
Report Scale, and the ADHD Rating Scale-
IV
Kaufman, N. L., & Review of the Brown Authors reviewed Brown -Self-report (40 items)
Kaufman, A. S. Attention-Deficit Attention-Deficit Scales -Focus exclusively on inattention criteria
Disorder Scales. (2001). (BADDS) in Mental -Clusters: (a) organizing and activating for
Measurements Yearbook. work, (b) sustaining attention and
concentration, (c) sustaining energy and
effort, (d) managing affective interference,
and (e) utilizing “working memory” for
accessing recall
-4-point Likert-scale
-Total raw score (not T-score) that is
interpreted
-No scoring for collateral informant
-The nonclinical samples have higher SES
than census data, and manual does not
report geographic region or community size
-Reviews psychometric properties
Kazdin, A. E. Preparing and evaluating Discusses preparing reports in -Addresses each section of a research article
research reports. (1995). light of how information is (abstract, introduction, method, results,
likely to be evaluated. Focuses discussion)
on 3 features: description, -Discusses interpreting correlations and test
explanation, and validation
contexualization. -Convergent validity: extent to which a
measure is correlated with other measures
that are designed to assess the same or
related constructs
-Discriminant validity: no or little
relationship exists between 2 measures
Kazdin, A. E. Methodological issues Describes methodology and -Rating scales are used in clinical
166
and strategies in clinical design in research, including assessment
research. (2003). assessment of study constructs, -Standardized, reliable, systematic
bias, and methods of data -Using rating scales to guide treatment
analysis and interpretation.
Kessler et al. The US national 9,282 interviews between -Survey of the prevalence and correlates of
comorbidity survey February 2001 and April 2003 mental disorders in the US
replication (NCS-R): Ages 18 and older. -Interviews were administered face-to-face
Design and field -Includes interviewer training and sample
procedures. (2004). design
Kessler, R. C., & Ustun, The world mental health Discusses the research and -Screening module and 40 sections
B. (WMH) survey initiative development of the survey. -22 sections on diagnoses, 4 on functioning,
version of the world 2 on treatment, 4 on risk factors, 7 socio-
health organization demographic, and 2 methodological factors
(WHO) composite -Computer-assisted version of the interview
international diagnostic is available
interview (CIDI). -Broader areas of assessment, break down
(2004). critical criteria required in DSM-IV
-The 22 diagnostic sections assess mood
disorders (2 sections), anxiety disorders (7
sections), substance use (2 sections),
childhood disorders (4 sections), and others
(7 sections)
-Average time 2 hours
Khan, S. K., Dinnes, J., Systematic reviews to Describes the systematic -Evaluation of diagnostic tests includes
& Kleijen, J. evaluate diagnostic tests. approach to evaluate the assessment of reliability and other technical
(2001). accuracy of diagnostic aspects of a test, assessment of diagnostic
strategies. accuracy, and assessment of diagnostic
effectiveness and cost effectiveness
Kitchens, H. Review of the adult Review of the Adult Attention -Three versions: self-report (58 items),
167
attention deficit Deficit Disorders Evaluation home (46 items), and work (54 items)
disorders evaluation Scale (A-ADDES) by McCarney -Approximately 15 minutes for each version
scale. (2001). and Anderson. -Quantifiers: (0) do not engage in behavior,
(1) occurs one to several times per month,
(2) occurs one to several times per week, (3)
occurs one to several times per day, and (4)
occurs one to several times per hour
-Raw scores summed and converted to
standard scores
-Good evidence of reliability: internal
consistency, test-retest, and inter-rater
-Validity: content and construct
-Could be improved by combining the three
separate manuals into one
Klein, R. G., & Long-term outcome of Review from follow-up studies -High rates of behavioral problems and
Mannuzza, S. hyperactive children: A of hyperactive children. cognitive impairment
review. (1991). -In adulthood, reports of antisocial
personality disorder and substance use
disorders
-Outcome does not seem to differ between
males and females
Knouse, L. E., & Safren, Adult attention-deficit Chapter in a book that reviews -Provides review, including psychometric
S. A. hyperactivity disorder. two of the symptom-based information, on the CSS and ASRS
(2010). rating scales (the Current -CSS can be used for comprehensive
Symptoms Scale and the Adult evaluation
ADHD Self-Report Scale) for -ASRS fails to identify a substantial portion
screening and tracking treatment (35%) of adults who meet criteria
progress in adult ADHD. Also,
authors describe how they use
their scales in research and
clinical work.
Mannuzza, S., & Klein, Long-term prognosis in Provides summary of controlled, -Impairments continue into young
168
R. G. attention- follow-up studies of ADHD. adulthood and adulthood including
deficit/hyperactivity academic performance, self-esteem, social
disorder. (2000). functioning, substance use, criminality, and
comorbidity
-2/5ths continue to experience symptoms to
significant degree
Mannuzza, S., Klein, R. Persistence of attention- Critical review of follow-up -Four factors identified that influence adult
G., & Moulton, J. L. deficit/hyperactivity studies of children with ADHD ADHD prevalence estimates: (1)
disorder into adulthood: to identify factors that influence ascertainment procedure, (2) attrition rates,
What have we learned adult ADHD prevalence (3) reporting source, and (4) disorder
from the prospective estimates. criteria
follow-up studies? -Prevalence rates vary significantly
(2003). -Authors make recommendations (e.g.-
interview both subject and parents)
Marks, D. J., Newcorn, Comorbidity in adults Describes the clinical -Comorbidity with antisocial behavior,
J. H., & Halperin, J. M. with attention- manifestations of ADHD in substance use disorders, mood disorders,
deficit/hyperactivity adulthood, with an emphasis on anxiety disorders, and learning disorders
disorder. (2001). comorbidity. -Adults with ADHD exhibit patterns of
cognitive deficits, below average grades,
increased school dropout, greater likelihood
of grade repetition, academic remediation,
and lower occupational attainment
-Retrospective studies yield higher rates of
comorbidity than prospective studies
McGough, J. J., & Diagnostic controversies Describes different approaches -Both the Wender Utah criteria and DSM-
Barkley, R. A. in adult attention deficit for assessing ADHD in adults. based approaches identify adults with
hyperactivity disorder Review of the Wender Utah ADHD
(2004). criteria, DSM criteria, and -Wender Utah criteria established need for
laboratory assessment strategies retrospective childhood diagnosis and need
for adult ADHD. for differing criteria in adults
-Wender Utah failed to identify clients with
169
predominantly inattentive symptoms,
comorbidities, and diverges from DSM
conceptualization
-DSM criteria has never been validated in
adults, and does not include
developmentally appropriate symptoms and
thresholds for adults
Milich, R., Balentine, A. ADHD combined type Article reviews research -For inattentive subtype symptoms are
C., & Lynam, D. R. and ADHD suggesting ADHD-inattentive described as “sluggish, hypoactive, and
predominantly type and ADHD-combined type daydreaming, lost in space”
inattentive type are are separate disorders. -For combined type, symptoms described as
distinct and unrelated “disinhibited, hyperactive, and distractible”
disorders. (2001). -Combined type more likely to be male,
have an earlier age of onset, rejected by
peers, and have comorbid externalizing
disorders
-Inattentive type more likely to be shy,
withdrawn, have internalizing disorders, and
be less responsive to stimulant medication
-Conclude they are “distinct and unrelated”
disorders
Montano, B. Diagnosis and treatment Reviews the obstacles of -Majority of adults also exhibit at least 1
of ADHD in adults in diagnosing ADHD in adults and comorbid psychiatric disorder (e.g., anxiety,
primary care. (2004). the use of rating scales. depression, substance abuse, etc.)
-Establish early and persistent history of
inattention or hyperactivity
-Suggests using standardized ADHD rating
scales and checklists to aid in diagnosis
Morgan, G. A., Gliner, J. Understanding and Book geared for professionals -How research approach and design
A., & Harmon, R. J. evaluating research in on how to analyze and evaluate determine appropriate statistical analysis
applied clinical settings. research articles. -Reviews reliability and validity
170
(2006).
Muniz, L. Test review: Brown A review of the BADDS manual -Author: Thomas E. Brown
attention-deficit disorder and scales. -Publisher: Psychological Corporation, 1996
scales and Brown ADD -Adolescents (12-18 years) and Adults
diagnostic forms. (18+)
(1996). -Purpose: “tap for a range of symptoms
beyond the ‘inattention’ criteria for ADHD
in the DSM-IV” (Brown, p. 1)
-Recommended uses: screening, part of a
comprehensive assessment, and to monitor
treatment effectiveness
-40 self-report items
-5 clusters: (1) organizing and activating to
work, (2) sustaining attention and
concentration, (3) sustaining energy and
effort, (4) managing affective interference,
and (5) utilizing “working memory” and
accessing recall
-Reviews reliability and validity from
manual
-Normative sample low for African
Americans and Hispanics; includes no
Asians or Native Americans
-No content or criterion validity
-Concurrent validity limited
Murphy, K. R., & Adler, Assessing attention- Review of adult ADHD, Reviews:
L. A. deficit/hyperactivity including various adult rating -Conners’ Adult ADHD Rating Scale
disorder in adults: Focus scales available for use. -Brown Attention-Deficit Disorder Scale for
on rating scales. (2004). Adults
-Wender Utah Rating Scale
-ADHD Rating Scale and ADHD Rating
171
Scale-IV
-Current Symptoms Scale
-Adult ADHD Self-Report Scale v1.1.
Symptom Checklist
Murphy, K. R., & Out of the fog: Lay book for adults with -Published in 1995 after research
LeVert, S. Treatment options and ADHD. Addresses the adult concluding ADHD is not “grown out of”
coping strategies for persistence of ADHD, diagnosis, and persists into adulthood for many
adult attention deficit treatment, and strategies, -Focuses on adult ADHD
disorder. (1995). -Written for a lay audience and includes
self-exploration exercises
-Provides lists for simplifying and
improving life for the adult with ADHD
(e.g., time management and organizational
skills)
Murray, C., & Weiss, M. Assessment of adult Describes standard assessment -Several studies changed the view of ADHD
ADH: Current procedures for ADHD in adults. as a childhood-only disorder
guidelines and issues. Similarities and differences -ADHD persists into adulthood
(2001). among childhood and adult -Assessment includes: medical evaluation,
ADHD symptoms, persistence rating scales, clinical interviews, and
into adulthood, the use of the comorbid/differential diagnoses
DSM-IV criteria, retrospective -Concerns/limitations of assessment criteria:
diagnosis, and the use of clinical DSM-IV symptom content, cutoff scores,
interviews. age of onset, and self-reports
National Institutes of Diagnosis and treatment Scientific evidence to support -Website provides booklet on ADHD,
Health. of attention deficit ADHD as a disorder, impact of including symptoms in adults, diagnosis,
hyperactivity disorder: ADHD, and effective and treatment
NIH consensus treatments.
statement. (1998).
National Resource Diagnosis of AD/HD in Website provides science-based -Diagnosis of ADHD in adults (WWK9),
Center on ADHD: A adults. (2003). information about ADHD including symptoms experienced in adults
172
program of CHADD. including: a review of ADHD, -What to expect from an evaluation
diagnosis, treatment, dealing -AACAP practice parameters
with systems, educational issues,
and living with ADHD.
NCSSM Statistics Categorical data Website providing information -Describes TCA, sensitivity, and specificity
Leadership Institute. analysis. (1999). that reviews techniques for
analyzing categorical data.
Reed, J. C. Review of the Adult Review of the Adult Attention -Three versions: self-report (58 items),
Attention Deficit Deficit Disorders Evaluation home (46 items), and work (54 items)
Disorders Evaluation Scale (A-ADDES) by McCarney -Approximately 15 minutes for each version
Scale. (2001). and Anderson from Mental -Quantifiers: (0) do not engage in behavior,
Measurements Yearbook and (1) occurs one to several times per month,
Tests in Print. (2) occurs one to several times per week, (3)
occurs one to several times per day, and (4)
occurs one to several times per hour
-Raw scores summed and converted to
standard scores
-Good evidence of reliability: internal
consistency, test-retest, and inter-rater
-Validity: content and construct
-Could be improved by combining the three
separate manuals into one
Rosler, M., Retz, W., & Parameters in adult Review of rating scales used in -Identified 21 pharmacological and 6
Stieglitz, R. D. ADHD treatment clinical studies to detect the psychotherapeutic treatment studies
investigations- effects of pharmacological -ADHD-RS-IV, CAARS-O, & the
benchmarking and/or psychotherapeutic WRAADDS were the most used scales
instruments for treatments. Compared the -CAARS-S & ASRS generally accepted
international multicenter psychometric properties from a -Instruments offer appropriate psychometric
trials. (2010). medline search since 1999 in properties
adult ADHD.
173
Rosler et al. Pscyhopathological Discusses the diagnostic -Identifies and describes rating scales
rating scales for procedure in assessing adult including CAARS, Current Symptoms
diagnostic use in adults ADHD including childhood Scale, Brown ADD Rating Scale, Adult
with attention- symptoms, diagnostic criteria, Self-Report Scale, ADHD-RS-IV, and
deficit/hyperactivity functional impairment, and SDHD-SB + ADHD-DC
disorder (ADHD). comorbidity. Reviews both -CAARS measures emotional lability and
(2006). diagnostic interviews and rating self-concept problems
scales that aid in assessing for -Brown ADD-RS contains scores for
adult ADHD. organizing and activating for work,
sustaining energy and effort, and managing
affect
-Ratings scales are cost-effective and useful
tool for assessing ADHD
-Does not describe each scale in appropriate
detail
-Does not report statistics (e.g.,
reliability/validity)
-Muddled by other information (e.g., scales
for diagnostic interviews and comorbid
disorders)
Ryan, J. J., Lopez, S. J., Understanding test Chapter focusing on test -Provides definitions of reliability and
& Sumerall, S. W. construction. (2001). construction and item selection. validity, including minimum standards for
Reviews empirical issues assessment
pertaining to validity and
reliability, test norms, scores,
and interpretation.
Searight, H. R., Burke, J. Adult ADHD: A review of adult ADHD -Includes diagnostic criteria, symptoms,
M., & Rottnek, F. Evaluation and treatment published by the American evaluation (including using self-report
in medicine. (2000). Academy of Family Physicians. scales), differential diagnosis,
pharmacotherapy, and self-management
strategies
Shultz, K. S. & Whitney, Measurement theory in Book explaining measurement - Chapters include introduction and
174
D. J. action: Case studies and theory including concepts, overview, statistics review for
exercises. (2005). statistics, validity. psychological measurement, psychological
scaling, test preparation and specification,
reliability, validity, and test bias, content
validation, criterion-related validation,
construct validation, validity, and test bias
Silverman, W. K., & Rating scales for anxiety A review of rating scales for -Lists reasons to use rating scales
Rabian, B. and mood disorders. children and adolescents, -Departures from the norm can usually be
(1999). focused on rating scales that determined based on standard deviation
obtain subjective self-ratings units from the sample
about anxious and depressed -Example of how to organize section on
moods. reviewing rating scales
Smart, A. A multi-dimensional Addresses term of “clinical -Clinical utility common synonym for
model of clinical utility. utility” and its lack of definition clinical effectiveness and/or economic
(2006). in research. evaluations
-Identified Polgar et al. (2005) article that
evaluated clinical utility of an assessment
scale (ease of use, time, training and
qualifications, format, interpretation, and
meaning and relevance of information
obtained)
-Smart introduces a multi-dimensional
model that outlines four factors:
appropriateness, accessibility, practicability,
and acceptability
-Appropriate: effective and relevant
-Accessible: resources implications and
procurement
-Practicable: functional, suitable, and
training or knowledge
-Acceptable: to clinician, to clients, to
175
society
Sparrow, E. P. Essentials of Conners Provides a comprehensive guide -Describes administration, scoring,
behavior assessments. for professionals to understand interpretation, strengths/weaknesses, and
(2010). and apply results from the clinical applications of Conners assessments
various Conners assessments. -Provides information on overall correct
classification rate, sensitivity, and
specificity
-70-79% good, 80-89% very good, 90% or
higher excellent
Spencer, T. J. ADHD treatment across Provides a review of -Similar pharmacological treatments used
the life cycle. (2004). pharmacological treatment in on children are showing positive results in
ADHD. adults as well
Spencer, T., Biederman, Is attention-deficit Conducted a systematic search -Evidence supporting ADHD in adults as a
J., Wilens, T., & hyperactivity disorder in of psychiatric and psychological valid disorder
Faraone, S. V. adults a valid disorder? literature for empirical studies -Research shows evidence of comorbidity
(1994). on adult ADHD. Reported (antisocial, depressive, and anxiety
descriptive, predictive, and disorders) and impairments in adults with
concurrent validity. ADHD, like their child counterparts
-Authors include in their discussion a
section on the controversies that surround
the diagnosis of adult ADHD
Spiliotopoulou, G. Reliability reconsidered: Reviewed previously published - Although Cronbach’s alpha is the most
Cronbach’s alpha and papers reporting on internal widely used coefficient for internal
pediatric assessment in consistency issues and outcome consistency, there are differences in its use
occupational therapy. measures. and interpretation
(2009). -Low coefficient may not always indicate
problems with construct and large sizes do
not always suggest adequate reliability
-Definition and explanation of reliability
and internal consistency
176
Stefanatos, G. A., & Attention- Reviews historical evolution of -Addresses gender differences and other
Baron, I. S. deficit/hyperactivity ADHD, prevalence, and DSM- associated cultural, familial, and socio-
disorder: A IV criteria for diagnosis. environmental influences
neuropsychological -Obstacles encountered in clinical practice:
perspective towards comorbidities, problems with DSM-IV
DSM-V. (2007). criteria, subtype differentiation
Streiner, D. L. A checklist for Article provides a guide to -Reviews reliability (internal consistency,
evaluating the usefulness evaluating scales, including test-retest, & inter-rater) and validity (face,
of rating scales. (1993). different types of reliability and content, criterion, and construct)
validity, as well as usefulness, -Provides minimum standards for evaluating
completion time, training, and reliability and validity of scales
scoring ease. -Utility: completion time, training time, and
scoring
Taylor, A., Deb, S., & Scales for the Describes the properties, -Identified 35 validation studies and 14
Unwin, G. identification of adults including psychometric separate scales used for identifying adult
with attention deficit statistics, of scales used to ADHD
hyperactivity disorder identify ADHD. -Majority of studies were of poor quality
(ADHD): A systematic and reported insufficient detail
review. (2011). -CAARS and WURS (short version) had the
best psychometric properties
-More research into these scales is needed
Tercyak, K. P., Peshkin, Cigarette smoking Reviewed factors in relation to -Prevalence of smoking among ADHD
B. N., Walker, L. R., among youth with smoking and ADHD. adolescents is nearly twice as high at
Stein, M. A. attention- adolescents without ADHD
deficit/hyperactivity -Social and behavioral factors
disorder: Clinical -Biological factors (physiological effects of
phenomenology, nicotine on attention and role of dopamine
comorbidity, and in smoking and attention)
genetics. (2002).
Trochim, W. M. K., & Research methods Book that provides coverage of -Describes concepts of validity and
Donnelly, J. P. knowledge base (3rd quantitative and qualitative reliability
177
ed.). (2008). methods. -Construct validity: degree to which
inferences can be made
-Predictive validity: measure is able to
predict what it should
-Concurrent validity: able to distinguish
between groups
-Face validity: seems like a good translation
of the construct
Tyron, W. W., & Understanding Chapter in the book -Reviews measurement including reliability
Bernstein, D. measurement. (2003). Understanding Research in and validity
Clinical and Counseling
Psychology.
Wallis, C. Life in overdrive. Overview and implications of -Published in 1994 bringing media and
(1994). ADHD. Highlights growing public attention to ADHD
awareness of the disorder and
how it impacts the
individual/families.
Weiss, G. & Hechtman, Hyperactive children Book that summarizes -Symptoms persist into adulthood
L. T. grown up: ADHD in developments in ADHD -Documents significant risk for hyperactive
children, adolescents, including a section on adulthood subtype including information from
and adults (2nd ed.). with information on adult controlled, long-term studies
(1993). hyperactive psychiatric status, -Discusses diagnostic issues in assessing
drug/alcohol use, occupational adults
status, self-esteem and social
functioning, and
assessment/diagnostic issues.
Weiss, M. D., & Weiss, A guide to the treatment To provide physicians clinical -Describes symptoms adults with ADHD
J. R. of adults with ADHD. suggestions about the treatment may present with, including difficulties at
(2004). of ADHD in adults and how the work and in social settings
presentation differs from -Prevalence between men and women is
childhood ADHD. almost equal
178
-Tools available for physicians to help with
diagnosis: developmental history, getting
parent information, making a differential
diagnosis, associated symptoms, etc.
-Lists possible impairments and
bibliotherapy aids for adults with ADHD
-Suggest medication trial, restructuring
patient’s environment, and psychological
treatment
Wender, P. H. Attention-deficit Chapters include signs and -ADHD is a commonly genetically
hyperactivity disorder in symptoms, prevalence in adults, transmitted disorder
adults. (1995). etiology, diagnosis, and -Impact of ADHD on marital discord and
treatment. Appendixes include academic failure
evaluation measures and rating -Evidence for medication treatments and
scales. psychosocial treatment
Wender, P. H. ADHD: Attention- Reviews information known -DSM criteria may not be suitable for adults
deficit hyperactivity about childhood ADHD and -ADHD in adults valid diagnosis
disorder in children and expands to include recent -Describes symptoms seen in adults
adults. (2000). research that has been made in
regards to adult ADHD.
Majority of chapters geared
towards children with ADHD
(characteristics, causes,
development, and treatment),
with one chapter on adult
ADHD.
Wolf, L. E., & Adult ADHD: Raises questions and issues for -Links core complaints in adults to deficits
Wasserstein, J. Concluding thoughts. future research on ADHD in of hyperactivity, inattention, and
(2001). adults. impulsivity
-Patterns of comorbidity and symptom
heterogeneity pose new conceptual,
diagnostic, and treatment challenges
179
180
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APPENDIX B
activities
(d) often does not follow through on instructions and fails to finish
homework)
(g) often loses things necessary for tasks or activities (e.g., toys,
Hyperactivity
quietly
Impulsivity
(g) often blurts out answers before questions have been completed
conversations or games)
C. Some impairment from the symptoms is present in two or more settings (e.g., at school
or occupational functioning.
better accounted for by another mental disorder (e.g., Mood Disorder, Anxiety
if Criterion A1 is met but Criterion A2 is not met for the past 6 months
Impulsive Type: if Criterion A2 is met but Criterion A1 is not met for the past 6
months
Coding note: For individuals (especially adolescents and adults) who currently
have symptoms that no longer meet full criteria, "In Partial Remission" should be
specified.
Appendix C
211
Table 1
212
(continued)
Scale Forms Normative sample Factors measured Response format
Author/Date (# of items) (n & age range) (by form) (Likert scale)
Publisher/Source (by form)
ADSA childhood, and negative-
social
BAARS-IV Current symptoms self- Self-report forms Current symptoms forms (1) never or rarely, (2)
Barkley, 2011 report (30 items) n = 1,249 (4 factors): inattention, sometimes, (3) often,
Guilford Press Ages 18 - 70+ sluggish cognitive tempo, and (4) very often
Childhood symptoms hyperactivity, and
self-report (20 items) Other-report forms: - impulsivity
213
(continued)
Scale Forms Normative sample Factors measured Response format
Author/Date (# of items) (n & age range) (by form) (Likert scale)
Publisher/Source (by form)
BADDS interference, and utilizing
“working memory” and
accessing recall
CAARS Self-report long (66 Self-report forms Long forms (9 factors): (0) not at all, never, (1)
Conners, Erhardt, & items) n = 1,026 inattention/memory just a little, once in a
Sparrow, 1999 Ages 18 - 80 years problems, while, (2) pretty much,
Multi-Health Systems Other-report long (66 hyperactivity/restlessness, often, and (3) very
Inc. items) Other-report forms impulsivity/emotional much, very frequently
n = 943 lability, problems with
Self-report short (26 Ages 18-72 years self-concept, DSM-IV
items) inattentive symptoms,
Correctional sample DSM-IV hyperactive-
Other-report short (26 (Conners, Sparrow, & impulsive symptoms,
items) Erhardt, 2004): DSM-IV ADHD
Self-report forms symptoms total, ADHD
Self-report screening n = 509 Index, and the
(30 items) Ages 18 – 50+ years inconsistency index
214
Scale Forms Normative sample Factors measured Response format
Author/Date (# of items) (n & age range) (by form) (Likert scale)
Publisher/Source (by form)
CAARS index
Screening forms (4
factors): DSM-IV
inattentive symptoms,
DSM-IV
hyperactive/impulsive
symptoms, DSM-IV
ADHD symptoms total,
and ADHD index
WURS Self-report (61 items) Clinical sample 61-item (5 factors; Stein (0) not at all or very
Ward, Wender, & (suspected ADHD) et al., 1995): slightly, (1) mildly, (2)
Reimherr, 1993 Short version (25 items) n = 81 Males- conduct problems, moderately, (3) quite a
- Mean age 30.7 years learning problems, stress bit, and (4) very much
intolerance, attention
Clinical sample problems, and social
(suspected depression) skills/awkward
n = 70 Females- dysphoria,
Mean age 39.8 years impulsive/conduct,
learning problems,
attention and
Nonclinical sample organizational problems,
n = 100 and unpopular
Mean age 42.5 years
(continued)
215
Scale Forms Normative sample Factors measured Response format
Author/Date (# of items) (n & age range) (by form) (Likert scale)
Publisher/Source (by form)
WURS 25-item (3 factors;
McCann et al., 2000):
behavior, dysthymia,
and school/work
problems
Note: A-ADDES = Adult Attention Deficit Disorders Evaluation Scale; ASRS = Adult ADHD Self-Report Scale v1.1 Symptom
Checklist; ADSA = Attention-Deficit Scales for Adults; BAARS-IV = Barkley Adult ADHD Rating Scale-IV; BADDS = Brown
Attention-Deficit Disorder Rating Scales; CAARS = Conners’ Adult ADHD Rating Scales; WURS = Wender Utah Rating Scale;
Dash (-) denotes data were not available.
a
If no citation is provided, then the data presented come from the scale manual.
216
Appendix D
217
Table 2
ASRS .88 (full version; .58 - .77 - .82 - .87 (screener & SENS 56.3%
Adler et al., (screener; Adult ADHD SPEC 98.3%
2006) Kessler et al., Clinician Diagnostic TCA 96.2%
2007) Scale v1.2; Kessler et (full version; Kessler,
.63 - .72 al., 2007) Adler, Ames et al., 2005)
(screener; Kessler
et al., 2007) .84 (18-item pilot SENS 68.7%
ASRS & clinician- SPEC 99.5%
administered ADHD- TCA 97.9%
Rating Scale; Adler (screener; Kessler,
et al., 2006) Adler, Ames et al., 2005)
218
(continued)
Scale Reliability Data Validity Data
Internal Test-retest Inter-rater Reliability Concurrent Discriminant
Consistency Reliability Convergent Sensitivity
Divergent Specificity
TCA
ASRS SENS 89%
SPEC 83%
(screener; Luty et al.,
2009)
ADSA .89 (total score) - - .22 - .51 (total ADSA SENS 82%
score significantly SPEC 90.8%
(-.11) (academic correlated with all TCA 88.86%
theme) - .82 three [Inattention, (based on 4 subscales)
(emotive) Hyperactivity, &
Impulsivity] DSM-
.81 (SH) IV categories; West
et al., 2003)
.93 (total score;
West et al., 2003)
BAARS-IVb .90 (Current .66 - .88 (current .67 - .70 (P-BAARS, .22 - .31 (P-BAARS SENS 97%
ADHD symptoms) current symptoms; & CPT; Barkley et (ADHD group)
Inattention) Barkley, Murphy, & al., 2008)d SENS 98%
.73 - .82 Fischer, 2008) (community control
.78 (Current (childhood 21 - 69% shared group)
ADHD symptoms) .73 - .75 (P-BAARS, variance between P- (easily distracted by
Hyperactivity) childhood symptoms; BAARS & BDEFS extraneous stimuli,
Barkley et al., 2008) UMASS; Barkley et al.
.81 (Current .14 - .50 (ADHD 2008)
ADHD .59 - .80 (P-BAARSc, current symptoms
(continued)
219
Scale Reliability Data Validity Data
Internal Test-retest Inter-rater Reliability Concurrent Discriminant
Consistency Reliability Convergent Sensitivity
Divergent Specificity
TCA
BAARS-IV Impulsivity) current symptoms; scores & SENS 99%
Barkley et al., 2011) occupational (ADHD group)
.91 (Current measures; Barkley et SENS 97%
ADHD total .53 - .75 (P-BAARS, al., 2008) (community group)
score) childhood symptoms;
Barkley et al., 2011) (-.38) – (-.25) (self- TCA 98%
.94 (Childhood rated ADHD (6 of 18 symptoms,
ADHD symptoms & marital UMASS; Barkley et al.,
Inattention) satisfaction; Barkley 2008)
et al., 2008)
.91 (Childhood
ADHD (-.06) - .28 (self-rated
Hyperactivity- current ADHD
Impulsivity) symptoms & driving
measures; Barkley et
.95 (Childhood al., 2008)
ADHD total
score) .40 - .79 (current &
childhood self- and
other-ratings & SCL-
90-R Scales of
Psychological
Difficulties; Barkley
et al., 2008)
(continued)
220
Scale Reliability Data Validity Data
Internal Test-retest Inter-rater Reliability Concurrent Discriminant
Consistency Reliability Convergent Sensitivity
Divergent Specificity
TCA
BAARS-IV .85 - .87 (P-BAARS
& unidentified
interview)
221
(continued)
Scale Reliability Data Validity Data
Internal Test-retest Inter-rater Reliability Concurrent Discriminant
Consistency Reliability Convergent Sensitivity
Divergent Specificity
TCA
BADDS al., 2008)
CAARSe .86 - .92 (Erhardt, .80 - .91 Males: .41 (problems .37 - .67 (CAARS & SENS 82%
et al., 1999) (Erhardt et al., with self-concept) - .61 WURS; Erhardt et SPEC 87%
1999) (impulsivity/emotional al., 1999) TCA 85%
.77 - .99 (Kooij et lability) (Erhardt et al., 1999)
al., 2008) .85 - .95 (other- .61 - .74 (CAARS &
report) Females: .41 K-SADS; Belendiuk SENS 71%
.74 - .90 (other- (inattention/memory et al., 2007) SPEC 75%
report; Kooij et problems-short) – TCA 73%
al., 2008) (ADHD Index; Erhardt
.68 (problems with self- et al., 1999)
.76 - .95 (self- concept-short)
report screening SENS .39
version; Adler et .45 - .87 (screening (impulsivity/emotional
al., 2008) version; Adler et al., lability) - .95 (DSM-IV
2008) Inattentive Symptoms
.74 - .94 (other- Index)
report screening .44 - .61 (Kooij et al., ADHD Index (SENS .65,
version; Adler et 2008) SPEC .61)
al., 2008) (Van Voorhees et al.,
.11 - .37 (kappa values; 2011)
Van Voorhees et al.,
2011) SENS 97%
SPEC 83%
(Luty et al., 2009)
222
(continued)
Scale Reliability Data Validity Data
Internal Test-retest Inter-rater Reliability Concurrent Discriminant
Consistency Reliability Convergent Sensitivity
Divergent Specificity
TCA
WURS .69 - .91 (61- .68 - .90 (61- - .41 - .49 (WURS & SENS 96%
item; Ward et al., item; Parents’ Rating SPEC 96%
1993) Wierzbicki, Scale; Ward et al., (25-item, cutoff score 36
2005) 1993) or higher; Ward et al.,
.86 - .92 (25- 1993)
item; Ward et al., .62 - .98 (25- (-.11) – .19 (WURS
1993) item; & SENS 72%
Wierzbicki, neuropsychological SPEC 58%
.35 - .90 (SH, 25- 2005) measures, 25-item; TCA 65%
item; Ward et al., Hill et al., 2009) (25-item; McCann et al.,
1993) 2000)
(-.70) – .60
.72 - .84 (males, (WURS & SENS 88%
61-item; Stein et neuropsychological SPEC 70%
al.; 1995) test scores; Mackin (25-item; Luty et al.,
& Horner, 2005) 2009)
.69 - .89
(females, 61- .33 - .55 (WURS &
item; Stein et al., depressive measures;
1995) Wierzbicki, 2005)
(continued)
223
Scale Reliability Data Validity Data
Internal Test-retest Inter-rater Reliability Concurrent Discriminant
Consistency Reliability Convergent Sensitivity
Divergent Specificity
TCA
WURS .88 (25-item;
Rossini &
O’Connor, 1995)
.95 (total;
McCann et al.,
2000)
Note: A-ADDES = Adult Attention Deficit Disorders Evaluation Scale; ASRS = Adult ADHD Self-Report Scale v1.1 Symptom
Checklist; ADSA = Attention-Deficit Scales for Adults; BAARS-IV = Barkley Adult ADHD Rating Scale-IV; P-BAARS =
Prototype- Barkley Adult ADHD Rating Scale; BADDS = Brown Attention-Deficit Disorder Rating Scales; CAARS = Conners’
Adult ADHD Rating Scales; WURS = Wender Utah Rating Scale; DIV = divergent validity; SENS = Sensitivity; SPEC = Specificity;
TCA = Total Classification Accuracy; Dash (-) denotes data were not available; Parentheses denote a negative value; SH = split-half
correlation; CPT = Conners’ Continuous Performance Test; BDEFS = Barkley Deficits in Executive Functioning Scale; WRAT =
Wide Range Achievement Test; UMASS = University of Massachusetts study; PAI = Personality Assessment Inventory; K-SADS =
Kiddie-Schedule for Affective Disorders and Schizophrenia.
a
If no citation is provided, then the data presented come from the scale manual. bBAARS-IV psychometric properties reported for
self-report version only. cPsychometric domain not yet assessed for the BAARS-IV scale; data reported were collected for a prototype
224
version of the scale (P-BAARS). dContents of this cell represent a sampling of the considerable convergent, concurrent, and divergent
validity data pertaining to the BAARS-IV or P-BAARS. For a more complete review of these data, see Barkley, Murphy, and Fischer
(2008) and Barkley, 2011. eThe psychometric data reported for the CAARS pertain to the self-report, long form unless otherwise
specified.
225