Examiner observations of children's WISC—R test-related behaviors: Possible socioeconomic status, race, and gender effects.

White examiners completed test observations on 311 children between ages 7 and 14 following the administration of the Weschsler Intelligence Scale for Children-Revised (WISC-R). The children differed by race (White, Black, and Mexican American), social class (middle and lower), and gender. Test observation ratings were employed to predict WISC-R Verbal, Performance, and Full Scale IQs