VALIDITY AND RELIABILITY
Definition of Validity
Validity refers to the appropriateness of the interpretation of the results and not to the test itself, though colloquially we speak about a test being valid.
Category of Validity
>> Content/Face validity
Content validity addresses the match between test questions and the content or subject area they are intended to assess
Face Validity refers to the extent to which a test or the questions on a test appear to measure a particular construct as viewed by examinees
>> Validity related to the criteria
A criterion-related validation study can be either predictive of later behavior or a concurrent measure of behavior or knowledge.
Predictive validity refers to the "power" or usefulness of test scores to predict future performance.
Concurrent Validity needs to be examined whenever...