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| Achievement Gains | 1 |
| Algorithms | 1 |
| Differences | 1 |
| Error of Measurement | 1 |
| Measurement Techniques | 1 |
| Test Reliability | 1 |
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| Psychometrika | 1 |
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| Journal Articles | 1 |
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Peer reviewedZimmerman, Donald W.; Williams, Richard H. – Psychometrika, 1982
Formulas for the standard error of measurement of three measures of change (simple differences; residualized difference scores; and a measure introduced by Tucker, Damarin, and Messick) are derived. A practical guide for determining the relative error of the three measures is developed. (Author/JKS)
Descriptors: Achievement Gains, Algorithms, Differences, Error of Measurement
