Information relating to the significance of WISC-R Verbal-Performance IQ discrepancies and the frequencies of such differences in the standardization sample have been available to practitioners for several years. With regard to the magnitude of significant discrepancies -within the normal population, such data are often misunderstood and misinterpreted by clinicians. Specifically, the nondirectional aspect of significant frequencies reported in the literature is often misconstrued and interpreted incorrectly. An example of a common misinterpretation is presented as well as suggestions for remedying inaccuracies in reporting discrepancies between Verbal and Performance IQs and frequency data.
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