Developed by: W. Huitt
Last revised: January, 1999
There are three types of validity associated with test scores.
Content validity
The degree to which an achievement test's content contains aa representative and appropriate sample of the content (subject matter) contained in the instructional objectives whose attainment the test is intended to measure.
Criterion (predictive) valdity
The degree to which the score on a test predicts the individual's score or performance in some other area. Example: If correlated, a test of scholastic achievement can be used to predict job success.
Construct validity
The degree to which a test mesures the construct, or psychological concept or variable, at which it is aimed (e.g., intelligence, anxiety). Inferred from all of the logical arguments and empirical evidence available.
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