Fitting and Testing Carroll's Weighted Unfolding Model for Preferences.

Davison, Mark L.

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ERIC Number: EJ143945

Record Type: Journal

Publication Date: 1976

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Fitting and Testing Carroll's Weighted Unfolding Model for Preferences

Davison, Mark L.

Psychometrika, 41, 2, 233-47, Jun 76

Proposes a quadratic programming, least squares solution to Carroll's weighted unfolding model with nonnegativity constraints imposed on weights. It can be used to test various hypotheses about the weighted unfolding model with or without constraints. (RC)

Descriptors: Algorithms, Correlation, Goodness of Fit, Hypothesis Testing, Individual Differences, Mathematical Models, Multidimensional Scaling, Multiple Regression Analysis, Prediction, Stimuli

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