| Term | Definition |
| social psychology | scientific study of how people's thoughts, feelings, and actions are influenced by social environment |
| cognitive psychology | scientific study of basic mental abilities: perception, learning, memory, etc. |
| social cognition | scientific study of how people perceive, interpret, and remember information about selves and others |
| attitude | a belief and feeling about something that leads a person to behave in certain ways |
| conditioning | being "rewarded" by others for having a certain attitude |
| observational learning | learning by watching those we see around us |
| cognitive evaluation | forming an attitude about something based on evidence |
| persuasion | the attempt to influence people's attitudes and choices through argument or explanation |
| cognitive dissonance theory | theory that suggests that people make changes in their attitudes to reduce tension that occurs when their thoughts and attitudes are inconsistent with their actions |
| cognitive dissonance | unpleasant feeling when attitude and behavior are not consistent |
| Leon Festinger | psychologist who did important research on cognitive dissonance |
| propaganda | the spreading of ideas, information, or rumor for the purpose of helping or injuring an institution, a cause, or a person |
| prejudice | a negative attitude or emotional response toward a certain group and its individual members |
| stereotype | a belief about the personal qualities of a group of people |
| discrimination | actively mistreating or neglecting people because of their group membership |
| ingroup | group an individual belongs to and feels loyalty for |
| outgroup | group an individual has negative feelings toward |
| illusory correlation | biased perception and memory for connection between negative acts and minority groups |
| outgroup homogeneity effect | tendency to assume that within-group similarity is much stronger for outgroups than for ingroups |
| attraction | in social psychology, an attitude of liking (positive attraction) or disliking (negative attraction) |
| matching hypothesis | the view that people tend to choose other people similar to themselves in attractiveness and attitudes in the formation of interpersonal relationships |
| reciprocity | in interpersonal relationships, the tendency to return feelings and attitudes that are expressed about us |
| triangular theory of love | according to Sternberg, the components of love, which include passion, intimacy, and commitment |
| intimacy | feelings of closeness and concern for another person |
| passion | an aroused state of intense desire for another person |
| commitment | a pledge or promise |
| romantic love | intimacy + passion |
| liking | intimacy alone |
| companionate love | intimacy + commitment |
| infatuation | passion alone |
| fatuous | passion + commitment |
| consummate love | intimacy + passion + commitment |