Cheung, Chau-kiu; Tse, John Wing-ling - In: Children and Youth Services Review 33 (2011) 10, pp. 1786-1794
Just as a young person's earlier aggression is likely to predispose later aggression, the person's friends may also … friends did not affect aggression risk. Friend aggression had a very weak but statistically significant effect on aggression … pupil had higher aggression before. The weak and conditional effects of friend aggression suggest that friendship had little …