Critiques an environmentalist view of the effects of nature and nurture on behavior. Argues for an interactionist position in which nature and nurture are totally and inextricably involved in each and every organismic response. (MP)

The objective of this research paper is to present evidence showing that sex differences in aggression are universal, but that within limits the differences are also highly susceptible to experiential modification. Aggression is defined as any behavior that intends to hurt a person or a thing, physically or verbally. Investigation was conducted…