Abstract
This study examined the incremental validity of the Halstead-Reitan Neuropsychological Battery for older children (HRNB) over the Wechsler Intelligence Scale for Children-Revised in predicting scores on the Wide Range Achievement Test (WRAT) for 989 children referred for learning difficulties. A substantial increase (16 to 30%) in the variability accounted for in school achievement resulted with the addition of the HRNB tests to information obtained from the WISC-R. Specific tests of the HRNB were discussed in light of their unique contribution to the prediction of each of the three WRAT subtests (Reading, Spelling, and Mathematics).
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