The modified WAIS-R: an extension and revision
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Updated: Aug 12, 2026

Development of a Virtual Reality Assessment of Everyday Living Skills
Published on: April 24, 2014
Abstract:
The Modified WAIS-R (WAIS-RM) is an approach that integrates the procedures of Vincent (1979) and Himelstein (1983). Using the information subtest score as a guide, starting points on 7 of the remaining 10 subscales are upgraded in a way that can shorten administration time of the WAIS-R by as much as 30%. WAIS-R to WAIS-RM correlations for Verbal, Performance, and Full Scale IQs were .995, .996, and .998, respectively (N = 50). Subtest scatter profiles were shown to be retained accurately. This approach appears to have promise as a shortened WAIS-R that retains its clinical utility.
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