It was argued that the Wechsler Adult Intelligence Scale—Revised (WAIS—R) is an inadequate instrument for the clinical assessment of adults low in intellectual ability and that the Wechsler Intelligence Scale for Children—Revised (WISC—R) is a more appropriate scale. Because the WAIS—R and WISC—R IQs are equivalent at age 16, a brief procedure was outlined for determining WAIS—R IQ equivalents of WISC—R performance.
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