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Autor/inn/en | Alsawalmeh, Yousef M.; Feldt, Leonard S. |
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Titel | Testing the Equality of Independent Alpha Coefficients Adjusted for Test Length. |
Quelle | In: Educational and Psychological Measurement, 59 (1999) 3, S.373-83Infoseite zur Zeitschrift |
Sprache | englisch |
Dokumenttyp | gedruckt; Zeitschriftenaufsatz |
ISSN | 0013-1644 |
Schlagwörter | Reliability; Test Length |
Abstract | Develops a statistical test for the hypothesis that alpha'(1) =alpha'(2) when alpha'(1) is the Spearman-Brown extrapolated value of Cronbach's alpha reliability for test 1 and alpha'(2) is the unadjusted coefficient for test 2. The test is shown to exercise tight control of Type I error. (Author/SLD) |
Erfasst von | ERIC (Education Resources Information Center), Washington, DC |