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Child Neuropsychol. 2009 Sep;15(5):417-24. doi: 10.1080/09297040802603661.

Higher order factor structure of the WISC-IV in a clinical neuropsychological sample.

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  • 1Department of Psychology, Nationwide Children's Hospital, Columbus, Ohio 43205, USA. doug.bodin@nationwidechildrens.org

Abstract

A confirmatory factor analysis was conducted examining the higher order factor structure of the WISC-IV scores for 344 children who participated in neuropsychological evaluations at a large children's hospital. The WISC-IV factor structure mirrored that of the standardization sample. The second order general intelligence factor (g) accounted for the largest proportion of variance in the first-order latent factors and in the individual subtests, especially for the working memory index. The first-order processing speed factor exhibited the most unique variance beyond the influence of g. The results suggest that clinicians should not ignore the contribution of g when interpreting the first-order factors.

PMID:
19132580
PMCID:
PMC3049991
DOI:
10.1080/09297040802603661
[PubMed - indexed for MEDLINE]
Free PMC Article
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