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Tests & Measurements
Validity
| Term | Definition |
|---|---|
| Base Rate | An index, usually expressed as a proportion, of the extent to which a particular trait, behavior, characteristic, or attribute exists in a population |
| Bias | applied to tests, a factor inherent within a test that systematically prevents accurate, impartial measurement |
| Concurrent Validity | form of criterion-related validity that is an index of the degree to which a test score is related to some criterion measure obtained at the same time |
| Content Validity | Describes a judgment of how adequately a test samples behavior representative of the universe of behavior that the test was designed to sample |
| Convergent validity | a type of construct validity that assesses the extent to which different measures or instruments designed to assess the same construct yield similar results |
| Criterion-related validity | A judgment regarding how adequately a score or index on a test or other tool of measurement can be used to infer an individual’s most probable standing on some measure of interest |
| Discriminant evidence | data from a test or other measurement instrument showing little relationship between test scores or other variables with which the scores on the test being construct-validated should not theoretically be correlated |
| Face Validity | A judgment regarding how well a test or other tool of measurement measures what it purports to measure that is based solely on “appearances,” such as the content of the test’s items |
| Factor Analysis | A class of mathematical procedures, frequently employed as data reduction methods, designed to identify variables on which people may differ (or factors) |
| Factor loading | metaphor suggesting that a test (or an individual test item) carries with it or “loads” on a certain amount of one or more abilities that, in turn, have a determining influence on the test score (or on the response to the individual test item) |
| Fairness | the extent to which a test is used in an impartial, just, and equitable way |
| Predictive validity | A form of criterion-related validity that is an index of the degree to which a test score predicts some criterion measure |
Created by:
awilliams0526
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