Abstract
Tables permitting the conversion of short-form composite scores to full-scale IQ estimates have been published for previous editions of the Wechsler Adult Intelligence Scale (WAIS). Equivalent tables are now needed for selected subtests of the WAIS-III. This article used Tellegen and Briggs’s formulae to convert the sum of scaled scores for four selected WAIS-III short-form combinations into full-scale IQ estimates. Conversion tables providing full-scale IQ estimates across all age groups from the sum of scaled scores for these four short forms are presented. Reliability and validity estimates for these short forms are also provided for all age groups.
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