Attribution Theory: description of the way in which people explain the causes of their own and others' behaviors
Fundamental Attribution Error: tendency to overestimate the extent to which people's behavior is due to internal, dispositional factors and to underestimate the role of situational factors
Self-Serving Bias: explanation for one's success that credit internal, dispositional factors and explanations for one's failure that blame external, situational factors
GroupThink: A mode of thinking that people engage in when they are deeply involved in a cohesive in-group, when the members' striving for unanimity override their motivation to realistically appraise alternate courses of action
Stereotyping: categorizing of others outside the group in ways that see their views as unacceptable
Social Facilitation: The influence of other people on the performer social loafing: The tendency for people in a group to exert less effort when pooling their efforts toward attaining a common goal than when individually accountable.
group polarization: The enhancement of a group's prevailing inclinations through discussion within the group.
aggression : Any physical or verbal behavior intended to hurt or destroy against