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| Hypothesis Testing | 1 |
| Power (Statistics) | 1 |
| Research Design | 1 |
| Sampling | 1 |
| Statistical Significance | 1 |
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| Friedman, Herbert | 1 |
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| Guides - Non-Classroom | 1 |
| Journal Articles | 1 |
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Peer reviewedFriedman, Herbert – Educational and Psychological Measurement, 1982
A concise table is presented based on a general measure of magnitude of effect which allows direct determinations of statistical power over a practical range of values and alpha levels. The table also facilitates the setting of the research sample size needed to provide a given degree of power. (Author/CM)
Descriptors: Hypothesis Testing, Power (Statistics), Research Design, Sampling
