Empirical Comparison between Factor Analysis and Multidimensional Item Response Models.

Knol, Dirk L.; Berger, Martijn P. F.

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Peer reviewed

ERIC Number: EJ436935

Record Type: Journal

Publication Date: 1991

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ISSN: ISSN-0027-3171

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Empirical Comparison between Factor Analysis and Multidimensional Item Response Models.

Knol, Dirk L.; Berger, Martijn P. F.

Multivariate Behavioral Research, v26 n3 p457-77 1991

In a simulation study, factor analysis and multidimensional item response theory (IRT) models are compared with respect to estimates of item parameters. For multidimensional data, a common factor analysis on the matrix of tetrachoric correlations performs at least as well as the multidimensional IRT model. (SLD)

Descriptors: Comparative Analysis, Computer Simulation, Equations (Mathematics), Estimation (Mathematics), Factor Analysis, Item Response Theory, Mathematical Models, Tables (Data)

Publication Type: Journal Articles; Reports - Evaluative

Education Level: N/A

Audience: N/A

Language: English

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