The current study examined the heterogeneity in the development of school-based prosocial behavior from Grades 1 to 12 and the role of multiple early childhood antecedents in predicting heterogeneous developmental trajectories of prosocial behavior in a sample of 784 children facing early risks and vulnerabilities (predominantly from low-income…

Efforts to identify factors associated with peer acceptance have historically focused on behavioral and social cognitive processes, whereas less empirical attention has focused on the impact of children's other personal attributes and competencies that are not inherently a component of social competence. The current study examined the association…

Finds that (1) while females were significantly more cooperative and males more competitive than were subjects of the opposite sex, both sexes responded much more positively toward cooperative than competitive items and (2) cooperative and competitive orientation varies across activities. Age, gender, and situational factors were related to…

From a developmental point of view, examines whether children and adults confuse time and distance when they traverse a specified distance in a particular period of time. (RH)