Intellectual development of children as measured by the Wechsler intelligence scale: United States

Findings from the Vocabulary and Block Design subtests of the Wechsler Intelligence Scale for Children, by age, sex, race, region, size of place of residence, population change from 1950 to 1960, family income, education of parent, and grade in school, shown in terms of raw scores and standard scores or deviation quotients (lQ’s).Includes bibliographical references