Descriptor
| Hypothesis Testing | 2 |
| Correlation | 1 |
| Mathematical Formulas | 1 |
| Mathematical Models | 1 |
| Nonparametric Statistics | 1 |
| Sampling | 1 |
| Statistical Significance | 1 |
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| Educational and Psychological… | 2 |
Author
| Vegelius, Jan | 1 |
| Wilcox, Rand R. | 1 |
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| Journal Articles | 2 |
| Numerical/Quantitative Data | 2 |
| Reports - Research | 2 |
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Peer reviewedVegelius, Jan – Educational and Psychological Measurement, 1981
The G index is a measure of the similarity between individuals over dichotomous items. Some tests for the G-index are described. For each case an example is included. (Author/GK)
Descriptors: Hypothesis Testing, Mathematical Formulas, Mathematical Models, Nonparametric Statistics
Peer reviewedWilcox, Rand R. – Educational and Psychological Measurement, 1980
When analyzing a squared multiple correlation coefficient, an investigator may be interested in determining whether it is above or below a known constant, rather than testing the null hypothesis. This paper gives the sample sizes required for answering this question when indifference zone formulation of the problem is used. (Author/BW)
Descriptors: Correlation, Hypothesis Testing, Sampling
