Building a Unidimensional Test Using Multidimensional Items.

Reckase, Mark D.; And Others

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Peer reviewed

ERIC Number: EJ381128

Record Type: Journal

Publication Date: 1988

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Building a Unidimensional Test Using Multidimensional Items.

Reckase, Mark D.; And Others

Journal of Educational Measurement, v25 n3 p193-203 Fall 1988

It is demonstrated, theoretically and empirically, that item sets can be selected that meet the unidimensionality assumption of most item response theory models, even though they require more than one ability for a correct response. A method for identifying such item sets for test development purposes is presented. (SLD)

Descriptors: Computer Simulation, Item Analysis, Latent Trait Theory, Mathematical Models, Test Construction, Test Items

Publication Type: Journal Articles; Reports - Evaluative

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Language: English

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