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| Power (Statistics) | 1 |
| Research Design | 1 |
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| Journal of Educational and… | 1 |
Author
| Algina, James | 1 |
| Keselman, H. J. | 1 |
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| Journal Articles | 1 |
| Reports - Evaluative | 1 |
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Peer reviewedAlgina, James; Keselman, H. J. – Journal of Educational and Behavioral Statistics, 1998
Power for the improved general approximation (IGA) and the Welch-James tests of the within-subjects (trials) main effects and the within-subjects x between-subjects (groups x trials) interaction was estimated for a design with one between- and one within-subjects factor. Results show that little if any power is sacrificed by using these methods.…
Descriptors: Power (Statistics), Research Design
