An empirical verification of the Wherry-Gaylord iterative factor analysis procedure |
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| Authors: | Robert J Wherry Joel T Campbell Robert Perloff |
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| Institution: | (1) Ohio State University, USA;(2) Personnel Research Section, Adjutant General's Office, USA;(3) Ohio State University, USA |
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| Abstract: | A comparison of the Wherry-Gaylord iterative factor analysis procedure and the Thurstone multiple-group analysis of sub-tests shows that the two methods result in the same factors. The Wherry-Gaylord method has the advantage of giving factor loadings for items. The number of iterations needed can be reduced by doing a factor analysis of sub-tests, re-grouping sub-tests according to factors, and using each group as a starting point for iterations.This research was carried out under Contract No. WSW-2503, between the Department of the Army and Ohio State University. This paper is based on the final report PRS No. 827 under that contract. The opinions expressed herein regarding matters relating to the Department of the Army are those of the authors and are not necessarily official. |
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