People with autism spectrum condition (ASC) perform well on Raven's matrices, a test which loads highly on the general factor in intelligence. However, the mechanisms supporting enhanced performance on the test are poorly understood. Evidence is accumulating that milder variants of the ASC phenotype are present in typically developing individuals,…

Examined the pattern of verbal subscale scores on the Wechsler Adult Intelligence Scale and Wechsler Intelligence Scale for Children-Revised given to college students (N=129) and elementary students (N=383). Results showed a triangle pattern (Comprehension scores higher than both Vocabulary and Information) that begins to appear at the…

To examine the issue of item bias within the context of the revised Wechsler Adult Intelligence Scale (WAIS-R), judgments as to perceived item bias were sought. Independent raters nominated 53 WAIS-R items as containing possible bias. White and non-white college students nominated items as racially or sexually biased. Whereas 10 items were judged…