Aggression is learned through observation rather than inborn

Evidence

People are not born with aggressive skills. They have to learn them. Direct experience can be an unmercifully hazardous teacher in the case of aggression, because mistakes in aggressive transactions are not only injurious but potentially lethal in their more perilous forms. Observational learning, therefore, plays a key role in the development of aggressive styles of behavior. Most people rarely have direct experience with extreme violence. Rather, the mass media continuously provide images of every possible form of inhumanity. — Albert Bandura, Moral Disengagement, 726

Categorization

• DEFINE: Distinguishes observational learning from direct-experience learning as the primary route to aggressive styles.
• XREF: Connects to the reader’s authoritarianism and social-conservatism vault claims: learned aggression informs how ordinary people adopt harmful views. — connects to: Fear learned in childhood drives authoritarian aggression; Exposure to modeled aggression teaches aggression rather than cathartically draining it.; Aggression is learned through observation because direct experience is too hazardous. (+1 more)
• corroborated: 3 independent passages support this claim — Albert Bandura, Moral Disengagement: How People Do Harm…, 726