Development of aggression.

Theories and empirical findings regarding the development of aggression have included advances in four key areas in the last two years. First, studies have increasingly adopted more nuanced operationalization of forms and functions of aggression. Second, mediators and moderators of links between risk factors and the development of aggression have been examined with more precision. Third, advances in neuroscience and studies of gene by environment interactions have led to greater understanding of genetic and neurobiological underpinnings of the development of aggression. Fourth, cross-cultural and international research has tested the generalizability of findings to more diverse samples and has examined culture as a potential moderator of links between risk factors and the development of aggression.