A Comparison of Three Algorithms for Item Analysis to Maximize Coefficient Alpha.

Morris, John D.

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Peer reviewed

ERIC Number: EJ193463

Record Type: Journal

Publication Date: 1978

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A Comparison of Three Algorithms for Item Analysis to Maximize Coefficient Alpha.

Morris, John D.

Educational and Psychological Measurement, v38 n3 p801-04 Fall 1978

Three algorithms for selecting a subset of originally available items, to maximize coefficient alpha, were compared on the size of the resulting alpha and computation time required with nine sets of data. The characteristics of a computer program to perform these item analyses are described. (Author/JKS)

Descriptors: Comparative Analysis, Computer Programs, Item Analysis, Measurement Techniques, Statistical Analysis, Test Items, Test Reliability

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Language: English

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