1. What is test validity and test validation? Tests themselves are not valid or invalid. Instead, we validate the use of a test score.
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10. This analogy makes it clear that determining the reliability of a test is an important first step, but not the defining step, in determining the validity of a test.
11. Reliability Is the degree to which an assessment tool produces stable and consistent results.
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40. Validity Refers to how well a test measures what it is purported to measure.