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| Evaluation Review | 1 |
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| Sechrest, Lee | 1 |
| Yeaton, William H. | 1 |
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| Journal Articles | 1 |
| Reports - Research | 1 |
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Peer reviewedYeaton, William H.; Sechrest, Lee – Evaluation Review, 1986
The central thesis of this article is that the process of eliminating validity threats depends fundamentally on no-difference findings, a fact that has not been made explicit by researchers. The implications of this neglect are explored using examples from a number of different substantive areas such as psychology, health, and medicine.…
Descriptors: Attrition (Research Studies), Construct Validity, Generalizability Theory, Hypothesis Testing
