PSYC 102 Lecture Notes - Lecture 5: Cognitive Dissonance, Kin Selection, Group Polarization
3 Feb 2018
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Document Summary
Social psychology- the study of the causes and consequences of sociality. Aggression- behaviour with the purpose of harming another. Frustration-aggression hypothesis- a principle stating that animals aggress when their goals are thwarted. Cooperation- behaviour by two or more individuals that leads to mutual bene t. Group- a collective of people who have something in common that distinguishes them from others. Prejudice- a positive or negative evolution of another person based on their group membership. Discrimination- positive or negative behaviour toward another person based on their group membership. Common knowledge e ect- the tendency for group discussions to focus on information that all members share. Group polarization- the tendency for groups to make decisions that are more extreme than any member would have made alone. Groupthink- the tendency for groups to reach consensus in order to facilitate interpersonal harmony. Deindividuation- a phenomenon that occurs when immersion in a group causes people to become less aware of their individual values.
