Construct Validity of the WISC-V in Clinical Cases: Exploratory and Confirmatory Factor Analyses of the 10 Primary Subtests

Gary L. Canivez, Ryan J. McGill, Stefan C. Dombrowski, Marley W. Watkins, Alison E. Pritchard, Lisa A. Jacobson

Research output: Contribution to journalArticle

Abstract

Independent exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) research with the Wechsler Intelligence Scale for Children–Fifth Edition (WISC-V) standardization sample has failed to provide support for the five group factors proposed by the publisher, but there have been no independent examinations of the WISC-V structure among clinical samples. The present study examined the latent structure of the 10 WISC-V primary subtests with a large (N = 2,512), bifurcated clinical sample (EFA, n = 1,256; CFA, n = 1,256). EFA did not support five factors as there were no salient subtest factor pattern coefficients on the fifth extracted factor. EFA indicated a four-factor model resembling the WISC-IV with a dominant general factor. A bifactor model with four group factors was supported by CFA as suggested by EFA. Variance estimates from both EFA and CFA found that the general intelligence factor dominated subtest variance and omega-hierarchical coefficients supported interpretation of the general intelligence factor. In both EFA and CFA, group factors explained small portions of common variance and produced low omega-hierarchical subscale coefficients, indicating that the group factors were of poor interpretive value.

Original languageEnglish (US)
Pages (from-to)274-296
Number of pages23
JournalAssessment
Volume27
Issue number2
DOIs
StatePublished - Mar 1 2020

Keywords

  • WISC-V
  • bifactor
  • confirmatory factor analysis
  • exploratory factor analysis
  • intelligence

ASJC Scopus subject areas

  • Clinical Psychology
  • Applied Psychology

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