Agrési: Béda antarrépisi

Kiwari,aya konsénsus dina komunitas ilmiah pikeun sahenteuna dua katégori badag tina nyerang,dipikawanoh minangka nyerang aféktif sarta nyerang instruméntal<ref name= " psychiatryonline.org " >{{cite web|url=http://neuro.psychiatryonline.org/cgi/content/abstract/2/2/189|title=Behar,D.,J. Hunt,A. Ricciuti,D. Stoff,and B. Vitiello. " Subtyping Aggression in Children and Adolescents. " The Journal of Neuropsychiatry & Clinical Neurosciences 2 (1990): 189-192. 7 Dec. 2006.|publisher=}}</ref><ref>Berkowitz,L. (1993). ' ' Aggression: Its causes,consequences,and control ' ' . New York,NY: Mcgraw-Hill.</ref><ref>Bushman,B.J. & Anderson,C. A. (2001) Is it time to pull the plug on the hostile versus instrumental aggression dichotomy? ' ' Psychological Review ' ' 108:273-279.</ref><ref>{{cite web|url=http://cat.inist.fr/?aModele=afficheN&cpsidt=16141579|title=Refdoc|website=cat.inist.fr}}</ref>. Panalungtikan empiris ngaindikasikeun yén klasifikasi ieu teh béda kaperluan, kusacara psikologis atawa fisiologis. Sababaraha panalungtikan némbongkeun yén jalma anu condong ngalakukeun nyerang aféktif ngabogaan IQ anu leuwih hina dibandingkeun anu condong ngalakukeun nyerang instrumental<ref name= " psychiatryonline.org "