Repairing Tom Swift's Electric Factor Analysis Machine
Top Cited Papers
- 3 February 2003
- journal article
- Published by Taylor & Francis in Understanding Statistics
- Vol. 2 (1) , 13-43
- https://doi.org/10.1207/s15328031us0201_02
Abstract
Proper use of exploratory factor analysis (EFA) requires the researcher to make a series of careful decisions. Despite attempts by Floyd and Widaman (1995), Fabrigar, Wegener, MacCallum, and Strahan (1999), and others to elucidate critical issues involved in these decisions, examples of questionable use of EFA are still common in the applied factor analysis literature. Poor decisions regarding the model to be used, the criteria used to decide how many factors to retain, and the rotation method can have drastic consequences for the quality and meaningfulness of factor analytic results. One commonly used approach-principal components analysis, retention of components with eigenvalues greater than 1.0, and varimax rotation of these components-is shown to have potentially serious negative consequences. In addition, choosing arbitrary thresholds for factor loadings to be considered large, using single indicators for factors, and violating the linearity assumptions underlying EFA can have negative consequences ...Keywords
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