The aim of this study was to develop a way of estimating Wechsler IQs from demographic measures. The three summary IQs of the 19SS WAIS standardization sample were regressed on age, sex, race, education, and occupation. The resulting R"s were .S3, .42, and .54 'for the Verbal IQ, Performance IQ, and Full Scale IQ, respectively. The three regression equations provide actuarial indices of IQ that can 'be used as estimates of premorbid ability in neuropsychological assessment and research.
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