The Discriminating Power of Items That Measure More than One Dimension.

Reckase, Mark D.; McKinley, Robert L.

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Peer reviewed

ERIC Number: EJ445329

Record Type: Journal

Publication Date: 1991

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ISSN: ISSN-0146-6216

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The Discriminating Power of Items That Measure More than One Dimension.

Reckase, Mark D.; McKinley, Robert L.

Applied Psychological Measurement, v15 n4 p361-73 Dec 1991

The concept of item discrimination is generalized to the case in which more than one ability is required to determine the correct response to an item, using the conceptual framework of item response theory and the definition of multidimensional item difficulty previously developed by M. Reckase (1985). (SLD)

Descriptors: Ability, Definitions, Difficulty Level, Equations (Mathematics), Generalization, Item Response Theory, Mathematical Models, Test Items

Publication Type: Journal Articles; Reports - Evaluative

Education Level: N/A

Audience: N/A

Language: English

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