Factors Affecting Validity Factors How Does Each Factor Affect Validity?
Factors Affecting Validity Factors How Does Each Factor Affect Validity?
Factors Affecting Validity Factors How Does Each Factor Affect Validity?
Directions of the test items. Directions that are not clearly stated as to how
the students respond to the items and record
their answers will tend to lessen the validity of
the test items (Asaad, 2004).
Reading vocabulary and sentence Vocabulary and sentence structures that do not
structure. match the level of the students will result in
the test of measuring reading comprehension
or intelligence rather than what it intends to
measure (Asaad, 2004).
Level of difficulty of the test item. When the test items are too easy and too
difficult they cannot discriminate between the
bright and the poor students. Thus, it will
lower the validity of the test (Asaad, 2004).
Poorly constructed test items. Test items which unintentionally provide clues
to the answer will tend to measure the
students’ alertness in detecting clues and the
important aspects of students’ performance
that the test is intended to measure will be
affected (Asaad, 2004).
Reference/s:
Asaad, Abubakar S. (2004). Measurement and Evaluation Concepts and Application (Third
Edition).
856 Mecañor Reyes St., Sampaloc, Manila: Rex Bookstore Inc.