A Method for Factoring Large Numbers of Items  

Oleh:

Wherry, Robert J. ; Winer, Ben J.

Jenis: Article from Journal - e-Journal
Dalam koleksi: Psychometrika: A Journal of Quantitative Psychology vol. 18 no. 2 (Jun. 1953), page 161-179.
Topik: Method of Factoring; Estimating Factor Loadings; Transforming Correlations; Transformation Matrix; Tetrachorics
Fulltext: Vol 18 No 2 June 1953 p.161-179.pdf (849.83KB)

Isi artikel

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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