Autism spectrum disorders (ASD) and schizophrenia represent different mental disorders, but intriguing similarities seem to appear.In the present meta-analysis, we examined theory of mind (ToM) impairments in adults with ASD or schizophrenia based on studies that have compared the two patient groups directly by using the same test-battery at the…

Analyzed published data on the Wechsler Adult Intelligence Scale (WAIS) to ascertain whether the Information and Vocabulary subtests can function as measures of intelligence. Concluded that the addition of more WAIS subtests will not result in any increase in predictive validity and these additional tests, therefore, lack incremental validity.…

Reviews developmental literature on cognitive gender differences; and compares past and present trends in gender differences, by age, from standardizations of the Wechsler Intelligence Scales and the California Achievement Tests. Decreases are found in gender differences for adolescents but not for adults. Implications are discussed. (SLD)