The Assessment of Dimensionality for Use in Item Response Theory.

De Ayala, R. J.; Hertzog, Melody A.

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Peer reviewed

ERIC Number: EJ445309

Record Type: Journal

Publication Date: 1991

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ISSN: ISSN-0027-3171

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The Assessment of Dimensionality for Use in Item Response Theory.

De Ayala, R. J.; Hertzog, Melody A.

Multivariate Behavioral Research, v26 n4 p765-92 1991

Multidimensional scaling (MDS) and exploratory and confirmatory factor analyses were compared in the assessment of the dimensionality of data sets, using sets generated to be one-dimensional or two-dimensional and differing in degree of interdimensional correlation and number of items defining a dimension. (SLD)

Descriptors: Comparative Analysis, Correlation, Equations (Mathematics), Factor Structure, Item Response Theory, Mathematical Models, Measurement Techniques, Multidimensional Scaling

Publication Type: Journal Articles; Reports - Evaluative

Education Level: N/A

Audience: N/A

Language: English

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