Patterns of intellectual ability of Arab children aged 6 to 16 years were examined using the new Arab WISC-R. As in prior work, a distinct profile emerged: relative superiority in Verbal over Performance IQ's which diminished with age as a flat profile emerged in adolescence. An environmental explanation is offered. (Author/RD)

Reviews the influence of educational level on the intellectual performance of elderly individuals. Older individuals have more intellectual potential than previously has been reported. As cohorts receive greater educational opportunities, the negative stereotype of intellectual deterioration with age will no longer be accurate. (Author)

Urban and rural Aboriginal- and Anglo-Australian children were tested for reading and math achievement, for nonverbal psychometric test intelligence, and for three cognitive styles. Psychometric intelligence was clearly a more powerful predictor of the effects of culture and location on school achievement than was cognitive style. (Author/CMG)

This study examined the effects of family size on a sample of some 5000 students in Bayamon, Puerto Rico and examined the effects of family size and spacing on some 537 families in four suburban towns near Boston. It was found that there were major effects of both socio-economic status and religion on family size, but that the direction of the…

This paper critically examines the portions of Arthur Jensen's books, "Genetics and Education" and "Educability and Group Differences," that concern Barbara Burks' 1928 study of adoptive families. Jensen cites the low correlations of children's IQs with measures of home environment from Burks' study as evidence that environment…