PR2 2
PR2 2
PR2 2
Improve practice.
Inform policies
Why DO
RESEARCH?
In comparison to qualitative research.
Variables
ACTIVITY TWO • Daily Allowance
Variables ORDINAL
NOMINAL
RATIO
INTERVAL
EQUAL
IDENTITY MAGNITUDE ABSOLUTE ZERO
INTERVALS
Quantitative Research Designs
Manipulating
Studying Correla Experi conditions and
relationships tional mental studying effects
Non-
experimental
research
Descrip
Describing tive
characteristics
Quantitative Research Designs
Descriptive Examples:
What are the sleeping habits
A cross-sectional survey Research of SHS students in DLSAU?
collects information from
a sample coming from Sometimes called survey What factors affected the
various groups that has research, it aims to SHS track choice of SHS
been drawn from a describe systematically the students?
predetermined facts and characteristics of
population. a given population or area Your Turn
of interest, factually and Consider your chosen
accurately research interest or
topic. Come up with a
research question that
falls under
descriptive research.
Quantitative Research Designs
Correlational
Explanatory Research Prediction
Examples:
research
research design design
Does wearing
seeks to school
identify
determines the variables
uniform
that
have
willany
predict
extent to which two aims to describe and an outcome
relationship
or criterion.
with
variables (or more) co- measure the degree of students’ ability to
vary. association between two or participate?
Your Turn more variables or sets of
Consider your chosen scores. Is there a relationship
research interest or between phone brand
topic. Come up with a
and Facebook usage
research question that
falls under among teens?
correlational
research.
Quantitative Research Designs
Experimental
Types
Research True experiments
Independent
EG: R O1 x O2
variable
CG: R O1 x O2
attempts to influence a
Quasi-experiments
particular variable EG: O1 x O2
Dependent CG: O1 x O2
variable tests hypotheses about
cause-and-effect
relationships
ACTIVITY ONE • Internet availability at home and student’s
Determine the average sleeping time at night
• Social media involvement and practices of
design Grade 12 HUMSS students
• The effect of the use of <a local packaging
material> on the shelf life of a product.
• The marketability of <innovative
product> to SHS students.
• Children of single parents and their level
of Math anxiety.