Validity
“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 score and other modes of assessment”
A validity test
Measures exactly what it proposes measure (content-related validity)
Does not measure unrelated or interfering variables
Measures whether the criterion of the test has been achieved (criterion-related validity)
Relies on empirical evidence
Is supported by research-based argument (construct-related validity)
Offers useful, meaningful information about the test-taker’s ability
The impact of assessment before and after (washback) (Consequential validity)
The student who receive the test their relevant and useful (Face validity)