An integrated evaluative judgment on the degree to which empirical
Evidence and theoretical rationales support the adequacy and
Appropriateness of the inferences and actions that are based on the test scores and other modes of assessment.
A valid test
Measures exactly what it proposes to measure ( content related validity ).
Does not measure unrelated .
Measures whether the criterion of the test has been achieved ( criterion-related validity).
Relies on empirical evidence.
Is supported by research-based argument.
Offers usreful, meaningful information about the test-taker's ability.