An Assessment of Stout's Index of Essential Unidimensionality.

Hattie, John; And Others

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Peer reviewed

ERIC Number: EJ533509

Record Type: Journal

Publication Date: 1996

Pages: N/A

Abstractor: N/A

ISBN: N/A

ISSN: ISSN-0146-6216

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An Assessment of Stout's Index of Essential Unidimensionality.

Hattie, John; And Others

Applied Psychological Measurement, v20 n1 p1-14 Mar 1996

A simulation study was conducted to evaluate the dependability of the "T" index of unidimensionality developed by W. F. Stout and used in his DIMTEST procedure. DIMTEST was found to provide dependable indications of unidimensionality, to be reasonably robust, and to allow for practical demarcation between one and many dimensions. (SLD)

Descriptors: Factor Analysis, Item Response Theory, Robustness (Statistics), Simulation, Test Construction

Publication Type: Reports - Evaluative; Journal Articles

Education Level: N/A

Audience: N/A

Language: English

Sponsor: N/A

Authoring Institution: N/A

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Author Affiliations: N/A