For the past 25 years, it has been largely though that the development of childhood aggression was down to learning from bad role models. (parentherald.com)
Parental and early childhood predictors of persistent childhood aggression in boys from kindergarten to high school. (psiholoska-obzorja.si)
High childhood aggression associated with low educational level and occupational status suggesting an early beginning negative tracking of aggressive behavior. (link.springer.com)