When a test actually measures what it is supposed to measure,the test has _______.

Question

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Validity refers to the degree to which a test measures what it claims to measure. Reliability is the consistency of scores on a test, discriminative power refers to the ability of a test to differentiate between individuals or groups with different attributes or levels of the trait being measured, and statistical power is the ability of a test to correctly detect a true difference or relationship. While all of these are important aspects of a good test, validity is specifically related to the test accurately measuring what it purports to measure, which is the essential quality of a test.

When a Test Actually Measures What It Is Supposed to Measure,the