Method of Obtaining the Index of Discrimination for Item Selection and Selected Test Characteristics: A Comparative Study.

Hales, Loyde W.

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Peer reviewed

ERIC Number: EJ068103

Record Type: Journal

Publication Date: 1972

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Method of Obtaining the Index of Discrimination for Item Selection and Selected Test Characteristics: A Comparative Study

Hales, Loyde W.

Educational and Psychological Measurement, 32, 4, 929-37, W 72

Purpose of this study is to determine the relative value of three item validation methods which may be employed in the selection of items for inclusion in a test. (Author/CB)

Descriptors: Comparative Analysis, Discriminant Analysis, Item Analysis, Mathematical Applications, Measurement Techniques, Statistical Analysis, Tables (Data), Test Construction

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