Assessing Essential Unidimensionality of Real Data.

Nandakumar, Ratna

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Peer reviewed

ERIC Number: EJ471915

Record Type: Journal

Publication Date: 1993

Pages: N/A

Abstractor: N/A

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ISSN: ISSN-0146-6216

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Assessing Essential Unidimensionality of Real Data.

Nandakumar, Ratna

Applied Psychological Measurement, v17 n1 p29-38 Mar 1993

The capability of the DIMTEST statistical test in assessing essential unidimensionality of item responses to real tests was investigated for 22 real tests of at least 25 items and 700 or more examinees. DIMTEST results on real tests were able to discriminate between essentially unidimensional and multidimensional tests. (SLD)

Descriptors: Computer Software, Mathematical Models, Measurement Techniques, Test Construction, Test Items, Test Results

Publication Type: Reports - Evaluative; Journal Articles

Education Level: N/A

Audience: N/A

Language: English

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Authoring Institution: N/A

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