Validity of quick short forms of the Wechsler Adult Intelligence Scale-Revised with brain-damaged patients

Abstract

The validities of 41 short forms of the Wechsler Adult Intelligence Scale-Revised that require 20 minutes or less to give were compared in a sample of 174 brain-damaged patients. Mean errors in predicting Full Scale IQs were computed for each subtest combination, and a short form efficiency index was calculated by correcting mean error for administration time. The three quick abbreviations proposed by Kaufman (1990) proved to be among the more efficient predictors of Full Scale IQ, but a number of other short forms also performed well. The data provide psychometric information for selecting a quick measure of IQ that fits the needs, preferences, and time constraints of the neuropsychologist.

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