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Definition
| A judgment or estimate of how well a test measures what it purports to measure in a particular context. |
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| The process of gathering and evaluating evidence about validity |
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| Test users may validate a test with their own group of test takers. |
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| Based on an evaluation of the subjects, topics, or content covered by the items in the test. |
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| Criterion Related Validity |
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Definition
| Obtained by evaluating the relationship of scores obtained on the test to scores on other tests or measures. |
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Definition
| Arrived at by executing a comprehensive analysis of: a. How scores on the test relate to other test scores and measures b. How scores on the test can be understood within some theoretical framework for understanding the construct that the test was designed to measure. |
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| A judgment concerning how relevant the test items appear to be |
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| A judgment of how adequately a test samples behavior representative of the universe of behavior that the test was designed to sample. |
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| A plan regarding the types of info to be covered by the items, the number of items tapping each area of coverage, and the organization of the items in the test. |
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| An index of the degree to which a test score is related to some criterion measure obtained at the same time. |
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| An index of the degree to which a test score predicts some criterion or outcome, measure in the future; tests are evaluated as to their predictive validity. |
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| Criterion Related Validity |
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Definition
| The standard against which a test or a test score is evaluated. |
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| A correlation coefficient that provides a measure of the relationship between test scores and scores on the criterion measure. |
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| The degree to which an additional predictor explains something about the criterion measure that is not explained by predictors already in use |
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| The extent to which a test is used in an impartial, just, and equitable way |
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| A tendency to give a particular person a higher rating than he or she objectively deserves because of a favorable overall impression |
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| A judgment resulting from the intentional or unintentional misuse of a rating scale. |
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| A factor inherent in a test that systematically prevents accurate, impartial measurement. |
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| Class of mathematical procedures designed to identify specific variables on which people may differ |
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| Validity coefficient showing little relationship between test scores and/or other variables with which scores on the test should not theoretically be correlated. |
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Definition
| Scores on the test undergoing construct validation tend to correlate highly in the predicted direction with scores on older, more established test designed to measure the same (or similar) construct |
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Definition
| Scores on a test vary in a predictable way as a function of membership in some group. |
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Definition
| Test scores change as a result of some experience between a pretest and a posttest (e.g., therapy) |
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| Some constructs are expected to change over time (e.g., reading rate) |
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| How uniform a test is in measuring a single concept |
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