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| Educational Research | 1 |
| Sample Size | 1 |
| Statistical Analysis | 1 |
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| Educational and Psychological… | 1 |
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| Keselman, H. J. | 1 |
| Keselman, Joanne C. | 1 |
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| Journal Articles | 1 |
| Reports - Research | 1 |
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Peer reviewedKeselman, Joanne C.; Keselman, H. J. – Educational and Psychological Measurement, 1987
The power to detect main and interaction effects in a factorial design was determined when the Bonferroni method was used to control the overall rate of Type I error. For sample sizes typical of educational research, the power of this procedure was considerably less than that of recommended standards. (TJH)
Descriptors: Educational Research, Sample Size, Statistical Analysis
