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| Analysis of Variance | 1 |
| Aptitude Tests | 1 |
| Error of Measurement | 1 |
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| Educational and Psychological… | 1 |
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| Hsu, Louis M. | 1 |
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Peer reviewedHsu, Louis M. – Educational and Psychological Measurement, 1980
In two treatment-repeated measurements designs, the ratio between the unbiased variance of the differences and twice the variance of the errors of measurement can be used to test for interaction of subjects and treatments. The use of this statistic is illustrated. (Author/CP)
Descriptors: Analysis of Variance, Aptitude Tests, Error of Measurement, Mathematical Formulas
