Performance on the Digit Span (DSP) and Digit Symbol (DSY) subtests of the Wechsler Adult Intelligence Scale (WAIS) have been said to be vulnerable to the effects of anxiety, seating arrangements, and sex of subject. To determine the effects of these variables on anxiety and test performance on the WAIS-R DSP and DSY subtests, 40 male and 40…

Intelligence quotient (IQ) differences among groups according to sex, and demographic and other variables have been explored for a variety of intelligence tests. This investigation analyzed data from the standardization sample for the 1981 Wechsler Adult Intelligence Scale-Revised (WAIS-R) to determine the relationship of WAIS-R IQs to the…

Items showing sex differences on the revised Wechsler Adult Intelligence Scale (WAIS-R) were studied. In a sample of 206 young adults (110 males and 96 females), 15 items demonstrated significant sex differences, but there was no relationship of item-specific gender content to sex differences in item performance. (SLD)

Three forms of a symbol-digit substitution task were administered to 62 female and 96 male college students. Results support the theory that the superior performance of women over men on the Digit-Symbol Substituion subtest of the Wechsler scales is due to their greater ability to encode symbols verbally. (Author/JAC)