Abstract
The overlap of the Wechsler Intelligence Scale for Children—Revised (WISC-R) and the Halstead-Reitan Neuropsychological Battery (HRNB) was investigated in light of their use in diagnosing children's learning problems. Scores for 1,181 children on the WISC-R and the HRNB were related using a canonical correlational analysis. One significant correlation emerged, R c=.64. Further analyses indicated that some 10% of the variance of both the HRNB and the WISC-R were redundant. The primary source of overlap between measures was attributed to cognitive functions. In an effort to explore the constructs for both measures, data from the WISC-R and the HRNB were submitted to a factor analysis. Six factors emerged, three of which corresponded closely to those usually reported for the WISC-R. The implications for assessing children's learning disabilities are discussed.
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