Goodness of Fit in Item Response Models.

McDonald, Roderick P.; Mok, Magdalena M.-C.

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Peer reviewed

ERIC Number: EJ510998

Record Type: Journal

Publication Date: 1995

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ISSN: ISSN-0027-3171

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Goodness of Fit in Item Response Models.

McDonald, Roderick P.; Mok, Magdalena M.-C.

Multivariate Behavioral Research, v30 n1 p23-40 1995

It is shown that goodness-of-fit criteria developed for the evaluation of multivariate structural models can be applied to assist in evaluating the dimensionality of a test consisting of binary items, and correlative methods regularly used in factor analysis can be employed to diagnose causes of misfit. (Author)

Descriptors: Correlation, Criteria, Evaluation Methods, Factor Analysis, Goodness of Fit, Item Response Theory, Models, Multivariate Analysis

Publication Type: Reports - Evaluative; Journal Articles

Education Level: N/A

Audience: N/A

Language: English

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