Fragile X syndrome (FXS) is characterized by both social approach and social avoidance. However, the age of emergence and developmental trajectory of social avoidance has not been examined. This study investigates the longitudinal developmental trajectory and dynamic nature of social avoidance in males with FXS from infancy through young adulthood…

This monograph attempts to provide a new framework in which to understand children's perceptions of one another and suggests some methods for effecting positive change in interpersonal attitudes and behavior. Section one of the document provides a general introduction to the others-concept, a term which refers to a person's perceptions of others.…

Children (N=408) from three experimental infant schools in Israel were observed during their free play for three consecutive weeks, using observational categories based on Parten's (1932) work. Findings based on 2,157 observations provide norms of social behavior and organization for ages five to seven, an age group which was not studied…

Uses national longitudinal data to explain the intergenerational transmission of divorce. Findings suggest that parental divorce elevates the risk of offspring divorce by increasing the likelihood that offspring exhibit behaviors that interfere with the maintenance of mutually rewarding intimate relationships. Offers four hypotheses for future…

It was hypothesized that children in age-heterogeneous kindergartens would be more prone to behave altruistically than would children in age-homogeneous kindergartens. It was found that children who were studying in heterogeneous classes were more altruistic than were children from homogeneous classes. (Author)