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ERIC Number: EJ435100
Record Type: Journal
Publication Date: 1991
Pages: N/A
Abstractor: N/A
ISBN: N/A
ISSN: ISSN-0146-6216
EISSN: N/A
Three Approaches to Determining the Dimensionality of Binary Items.
Roznowski, Mary; And Others
Applied Psychological Measurement, v15 n2 p109-27 Jun 1991
Three heuristic methods of assessing the dimensionality of binary item pools were evaluated in a Monte Carlo investigation. The indices were based on (1) the local independence of unidimensional tests; (2) patterns of second-factor loadings derived from simplex theory; and (3) the shape of the curve of successive eigenvalues. (SLD)
Descriptors: Comparative Analysis, Computer Simulation, Correlation, Evaluation Methods, Factor Analysis, Heuristics, Item Banks, Monte Carlo Methods, Test Items
Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A