A method for factoring large numbers of items |
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Authors: | Wherry Robert J. Winer Ben J. |
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Affiliation: | (1) The Ohio State University, USA;(2) University of North Carolina, USA |
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Abstract: | The computation of intercorrelation matrices involving large numbers of variables and the subsequent factoring of these matrices present a formidable task. A method for estimating factor loadings without computing the intercorrelation matrix is developed. The estimation procedure is derived from a theoretical model which is shown to be a special case of the multiple-group centroid method of factoring. Empirical checks have indicated that the model, even though it makes some stringent assumptions, can be applied to a variety of variables found in psychological factoring problems. It has been found to be particularly useful in factoring test items. |
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