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| Correlation | 1 |
| Hypothesis Testing | 1 |
| Mathematical Models | 1 |
| Mathematics | 1 |
| Probability | 1 |
| Statistical Analysis | 1 |
| True Scores | 1 |
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| Werts, Charles E. | 1 |
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Werts, Charles E.; And Others – 1971
To resolve a recent controversy between Klein and Cleary and Levy, a model for dichotomous congeneric items is presented which has mean errors of zero, dichotomous true scores that are uncorrelated with errors, and errors that are mutually uncorrelated. (Author)
Descriptors: Correlation, Hypothesis Testing, Mathematical Models, Mathematics


