Research has shown that differences among ordinary people in intelligence and personality depend equally on individual genetic variability and on differences in the environments that siblings experience within the same family, not differences in the neighborhood, school, and community environments. As of yet, there are no adequate theories to…

Presents social scientists' claim that IQ scores can determine a person's social, educational, and occupational future at an early age. Echoes the Platonic idea that each individual should be put to the use for which nature intended, and that IQ, which is thought to be hereditary, can effectively predict this use. (58 citations) (EMH)

Investigates factors, including heredity and culture, contributing to exceptional Asian American academic achievement. Proposes the concept of relative functionalism, under which Asian Americans perceive and have experienced restrictions in upward mobility in occupations unrelated to education. Consequently, educational achievement assumes…

Reviews the current theories concerning individual differences in cognitive functioning. While some argue that heredity places a genetic cap on intellectual development, others emphasize the dynamic interrelationship between cultural and environmental factors. Concludes that intelligence is more complex than the heredity advocates allow. (MJP)