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Autor/inn/en | Williams, Richard H.; Zimmerman, Donald W. |
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Titel | The Reliability of Difference Scores When Errors are Correlated |
Quelle | (1977)Infoseite zur Zeitschrift |
Dokumenttyp | gedruckt; Zeitschriftenaufsatz |
Schlagwörter | Correlation; Error of Measurement; Error Patterns; Scores; Test Reliability; True Scores |
Abstract | The usual formulas for the reliability of differences between two test scores are based on the assumption that the error scores are uncorrelated. Formulas are presented for the general case where this assumption is unnecessary. (Author/JKS) |
Erfasst von | ERIC (Education Resources Information Center), Washington, DC |