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Choosing the Optimal Number of Factors in Exploratory Factor Analysis: A Model Selection Perspective

Preacher, Kristopher J., Zhang, Guangjian, Kim, Cheongtag, Mels, Gerhard·2013·Multivariate Behavioral Research

Abstract

A central problem in the application of exploratory factor analysis is deciding how many factors to retain (m). Although this is inherently a model selection problem, a model selection perspective is rarely adopted for this task. We suggest that Cudeck and Henly's (1991) framework can be applied to guide the selection process. Researchers must first identify the analytic goal: identifying the (approximately) correct m or identifying the most replicable m. Second, researchers must choose fit indices that are most congruent with their goal. Consistent with theory, a simulation study showed that different fit indices are best suited to different goals. Moreover, model selection with one goal in mind (e.g., identifying the approximately correct m) will not necessarily lead to the same number of factors as model selection with the other goal in mind (e.g., identifying the most replicable m). We recommend that researchers more thoroughly consider what they mean by "the right number of factors" before they choose fit indices.

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Metadata

Authors
Preacher, K. J., Zhang, G., Kim, C., & Mels, G.
Venue
Multivariate Behavioral Research
Published
2013-01
Volume
48
Issue
1
Pages
28-56
ISSN
  • 0027-3171 (ISSN-L)
  • 1532-7906
OpenAlex
W2044946104
Cited by
344
References
4
FWCI
27.20
Type
journal article
Language
en
Open access
closed

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