The association between prosocial behavior and adolescents' social class--defined as one's parents' position in society assessed in terms of education, income, and occupation status--is far from conclusive and the moderators of the link have not been fully researched. Using data from the National Institute of Child Health and Human Development…

Both early childhood maternal language input and the quality of classroom instruction in elementary school have been shown to be important environmental supports in predicting children's literacy skill development. However, no studies have simultaneously examined these two environmental supports in relation to children's early language skills and…