Factor structure of the WISC-R for children of superior intelligence
Journal of School PsychologyPublished 1 March 1991
Gregg M. Macmann, Carol Mueller Plasket, David W. Barnett, Randolph F. Siler
Citations14
SJR quartileQ1
SJR score1.89
SNIP2.17
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Abstract
The factor structure of the WISC-R was examined in a sample of 829 children with Full Scale IQs ≥ 120. Parallel analysis (PA) and minimum average partial (MAP) criteria were used to bracket a plausible range of solutions for the number of factors to retain. The results suggested that although there were no major factors, as many as three minor factors might be extracted. Despite some support for the replicability of a two-factor solution that generally but imprecisely conformed to the WISC-R verbal-performance dichotomy, the most parsimonious interpretation of subsequent congruence analyses favored a one-factor solution. The factor was thought to reflect "verbal" rather than "general" ability, and was consistent with the results described by Willson, Reynolds, and Gilberg (1983) for children in the standardization sample with either Verbal IQ Performance IQ or Full Scale IQ scores ≥ 120.
Keywords
PsychologyDecision Sciences
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