Volume 41, Issue 5 pp. 694-697
Neuropsychological Assessment
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Verbal-performance IQ discrepancies on the WAIS-R: Estimated vs. Empirical values

A. B. Silverstein

Corresponding Author

A. B. Silverstein

Mental Retardation Research Center—Lanterman State Hospital Research Group School of Medicine, University of California, Los Angeles

Mental Retardation Research Center—Lanterman State Hospital Research Group, P.O. Box 100-R, Pomona, California 91769Search for more papers by this author

Abstract

The accuracy of Payne and Jones's (1957) formula for evaluating the abnormality of test score differences was checked against the actual distribution of Verbal-Performance IQ discrepancies in the standardization sample for the Wechsler Adult Intelligence Scale-Revised. The results given by the formula appear sufficiently accurate for most clinical applications and support the formula's use when the actual distribution of differences is unknown.

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