1. The document discusses the definition, origins, types and sources of human aggression. It defines aggression as any behavior intended to harm others physically or verbally. Aggression can originate from social, biological or genetic factors. There are two main types - hostile aggression which intends harm, and instrumental aggression which is goal-oriented rather than intended to harm. Sources of aggression include social factors like frustration or media exposure, as well as personal factors like genetics or personality traits.
2. Aggression can be learned through social learning processes like imitation, reinforcement and modeling aggressive behaviors. Experiments show children imitate aggressive acts they observe in others. Reinforcement of aggression increases the likelihood of repeating it. Parents and other models influence children's aggressive