“…Recent evidence suggests that anger interferes with adequate solution of the two main developmental tasks of childhood: establishing positive peer relationships (Sullivan, 1953) and achieving academically (Erikson, 1968). Anger is linked to aggression in general and, in particular, to reactive aggression (Arsenio, Cooperman, & Lover, 2000;Price & Dodge, 1989;Smith, Furlong, Bates, & Laughlin, 1998;Zeman, Shipman, & Suveg, 2002). Reactive aggression involves responding with hostility and defensiveness to another's behavior.…”