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Unformatted text preview: 03/31/08 What Goes Into A Test? • Standardization and Norms- necessary to interpret any single individual’s score • Reliability- the extent to which a test yields consistent results over time (test- retest) or using alternate forms (split-half/ alternate forms); different combination of questions from big reservoir—must be of same difficulty or same questions; means you get around the same score if you retake it many times • Validity- the extent to which a test measures (content/construct) or predicts (criterion/predictive) what it is designed to do Reliability • If you have a high reliable test, score is very consistent each time you take it • Can’t have a low score at first, and then have a high score. Example: high school student and SAT or mental person and their test • High reliability would means a score that is roughly about the same each time...
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- Spring '07
- Psychology, Intelligence quotient, test High reliability, test Low reliability, high reliable test