descriptionPublicationkeyboard_double_arrow_right Article 01 Jun 1945 English Publisher:Cambridge University Press (CUP)Journal:Psychometrika, volume 10, pages 127-131 (issn: 0033-3123, eissn: 1860-0980,

Authors: Kaitz, Hyman B.;

doi: 10.1007/bf02288879

A Note on Reliability

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Abstract

A formula for internal consistency reliability is developed within the framework of the analysis of variance. The test items are assumed to be homogeneous, but may have any weights. Data needed for computation are the student test scores, and the total number of items answered so as to have the same weight. It is shown that this formula reduces to the Kuder-Richardson (21) for item weights of one and zero. Some empirical validation is offered.

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