This study examined variations in the development of classroom aggression popularity norms, as well as the role of homeroom teachers' aggression beliefs and students' perceptions of teachers' support as predictors of such variations. To achieve this goal, a sample of 63 classrooms were assessed at four time points during a school year, in nine…

The effect of friendship reciprocation and friend aggression on the stability of aggression across a 6-month period following the transition to secondary school was studied in a sample of 298 Grade 6 children from a predominately white, middle-class, Midwestern American community. The stability of aggression was generally high but it varied as a…

Examines the historical and conceptual foundations of friendship research. Areas addressed include functions of friendship, study of peer relations and peer systems, associated methodological and measurement challenges, and the study of friendship today. The discussion is framed around the "Harry Potter" (by J. K. Rowling) phenomena. (SD)