The development of prosocial behaviors during the preschool years is essential for children's positive interactions with peers in school and other social situations. Although there is some evidence of genetic influences on prosocial behaviors, very little is known about how genes and environment, independently and in concert, affect prosocial…

This project was designed to explore the relationship between school achievement and birth weight in a population of poverty black school children in the hope that the assumptions about environmental similarity might be approximated, and that the relatively advanced age of the subjects would allow examination of the lasting effects of birth…