1Conformity
Adjusting one's behavior or thinking to coincide with a group standard.
2Normative Social Influence
Influence resulting from a person's desire to gain approval or avoid disapproval.
3Social Norms
Expected standards of conduct, which influence behavior.
4Social Comparison
Evaluating one's abilities and opinions by comparing oneself to others.
5Relative Deprivation
The perception that one is worse off relative to those with whom one compares oneself.
6Upward Social Comparison
Comparing oneself with others who are better off.
7Downward Social Comparison
Comparing oneself with others who are worse off.
8Informational Social Influence
Influence resulting from one's willingness to accept others' opinions about reality.
9Obedience
Following the directives of authority.
10Social Facilitation
Improved performance on simple or well-learned tasks in the presence of others.
11Group Polarization
The enhancement of a group's prevailing inclinations through discussion within the group.
12Groupthink
The mode of thinking that occurs when the desire for harmony in a decision-making group overrides a realistic appraisal of alternatives.
13Bystander Effect
The tendency for any given bystander to be less likely to give aid if other bystanders are present.
14Diffusion of Responsibility
Diminished sense of responsibility among group members to act because others are seen as equally responsible.
15Social 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.
16Deindividuation
The loss of self-awareness and self-restraint occurring in group situations that foster arousal and anonymity.
17Attribution Theory
The theory that we explain someone's behavior by crediting either the situation or the person's disposition.
18Dispositional Attributions
Attributing behavior to the person's disposition and traits.
19Situational Attributions
Attributing behavior to the environment.
20Explanatory Style
A person's habitual way of explaining events, typically assessed along three dimensions: internal/external, stablenstable, and global/specific.
21Optimistic Explanatory Style
Explaining bad events as results of temporary, external causes.
22Pessimistic Explanatory Style
Explaining bad events as results of stable, internal causes.
23Fundamental Attribution Error
The tendency for observers, when analyzing others' behavior, to underestimate the impact of the situation and to overestimate the impact of personal disposition.
24Actor-Observer Bias
The tendency to attribute one's own actions to external causes while attributing other people's behaviors to internal causes.
25Self-Serving Bias
A readiness to perceive oneself favorably.
26Internal Locus of Control
The perception that one controls one's own fate.
27External Locus of Control
The perception that chance or outside forces beyond one's personal control determine one's fate.
28Altruism
Unselfish regard for the welfare of others.
29Social Responsibility Norm
An expectation that people will help those needing their help.
30Stereotype
A generalized belief about a group of people.
31Confirmation Bias
The tendency to interpret new evidence as confirmation of one's existing beliefs or theories.
32Belief Perseverance
Clinging to one's initial conceptions after the basis on which they were formed has been discredited.
33Self-Fulfilling Prophecy
A belief that leads to its own fulfillment.
34Prejudice
An unjustifiable and usually negative attitude toward a group and its members.
35Discrimination
Unjustifiable negative behavior toward a group and its members.
36Implicit Attitudes
Attitudes that influence a person's feelings and behavior at an unconscious level.
37Just-World Phenomenon
The tendency for people to believe the world is just and that people therefore get what they deserve.
38Out-Group Homogeneity Bias
Perception of out-group members as more similar to one another than are in-group members.
39In-Group Bias
The tendency to favor one's own group.
40Mere Exposure Effect
The phenomenon that repeated exposure to novel stimuli increases liking of them.
41Ethnocentrism
Evaluating other cultures according to the standards and customs of one's own culture.
42Collectivism
Giving priority to the goals of one's group and defining one's identity accordingly.
43Multiculturalism
The practice of valuing and respecting differences in culture.
44Superordinate Goals
Shared goals that override differences among people and require their cooperation.
45Social Traps
A situation in which conflicting parties, by each rationally pursuing their self-interest, become caught in mutually destructive behavior.
46Persuasion
The process of creating, reinforcing, or changing people's beliefs or actions.
47Elaboration Likelihood Model
A theory of how persuasive messages lead to attitude changes.
48Central Route of Persuasion
Attitude change path in which interested people focus on the arguments and respond with favorable thoughts.
49Peripheral Route of Persuasion
Attitude change path in which people are influenced by incidental cues, such as a speaker's attractiveness.
50Halo Effect
The tendency to draw a general impression about an individual on the basis of a single characteristic.
51Foot-in-the-Door Technique
The tendency for people who have first agreed to a small request to comply later with a larger request.
52Door-in-the-Face Technique
The strategy of getting someone to agree to a modest request by first asking them to agree to a much larger request that they will likely turn down.
53False Consensus Effect
The tendency to overestimate the extent to which others share our beliefs and behaviors.
54Cognitive Dissonance
The theory that we act to reduce the discomfort we feel when two of our thoughts are inconsistent.
55Industrial-Organizational (I/O) Psychologists
Psychologists who apply psychology's principles to the workplace.
56Instincts
A complex behavior that is rigidly patterned throughout a species and is unlearned.
57Drive-Reduction Theory
The idea that a physiological need creates an aroused tension state (a drive) that motivates an organism to satisfy the need.
58Homeostasis
The tendency to maintain a balanced or constant internal state; the regulation of any aspect of body chemistry, such as blood glucose, around a particular level.
59Ghrelin
Hormone secreted by an empty stomach; sends 'I'm hungry' signals to the brain.
60Leptin
Hormone secreted by fat cells; when abundant, causes brain to increase metabolism and decrease hunger.
61Hypothalamus
A neural structure lying below the thalamus; directs several maintenance activities (eating, drinking, body temperature), helps govern the endocrine system via the pituitary gland, and is linked to emotion and reward.
62Pituitary Gland
The endocrine system's most influential gland. Under the influence of the hypothalamus, the pituitary regulates growth and controls other endocrine glands.
63Belongingness
The human emotional need to be an accepted member of a group.
64Arousal Theory
The theory that people are motivated to maintain an optimal level of alertness and physical and mental activation.
65Yerkes-Dodson Law
The principle that performance increases with arousal only up to a point, beyond which performance decreases.
66Sensation-Seeking Theory
The search for experiences and feelings that are varied, novel, complex, and intense.
67Thrill Seeking
Pursuing activities that provide a rush of adrenaline.
68Adventure Seeking
Engaging in unusual and exciting activities.
69Disinhibition
Acting impulsively, without considering the consequences.
70Boredom Susceptibility
Tendency to experience boredom and frustration when not engaged in stimulating activities.
71Incentive Theory
A theory that states that behavior is motivated by a desire for reinforcement or incentives.
72Extrinsic Motivation
A desire to perform a behavior to receive promised rewards or avoid threatened punishment.
73Self-Determination Theory
A theory of motivation that is concerned with the beneficial effects of intrinsic motivation and the harmful effects of extrinsic motivation.
74Intrinsic Motivation
A desire to perform a behavior effectively for its own sake.
75Lewin's Motivational Conflicts Theory
A theory that describes situations in which conflicting motivations produce indecision and difficulty.
76Approach-Approach Conflicts
Conflict that results from having to choose between two attractive alternatives.
77Avoidance-Avoidance Conflicts
Conflict that results from having to choose between two distasteful alternatives.
78Approach-Avoidance Conflicts
Conflict that results when a single action or event has both attractive and unattractive features.
79Emotion
A response of the whole organism, involving (1) physiological arousal, (2) expressive behaviors, and (3) conscious experience.
80Affect
A broad range of feelings that people experience.
81Facial-Feedback Hypothesis
The idea that facial expressions can influence emotions as well as reflect them.
82Display Rules
Culturally determined rules about which nonverbal behaviors are appropriate to display.
83Elicitors
Stimuli that trigger emotional responses.
84Broaden-and-Build Theory of Emotion
Theory proposing that happiness predisposes us to think more openly.
85Universal Emotions
Basic emotions that are expressed by all cultures around the world such as happiness, sadness, fear, disgust, anger, and surprise.
86Psychodynamic Theory
A view that explains personality in terms of conscious and unconscious forces, such as unconscious desires and beliefs.
87Preconscious Mind
The level of consciousness that is not currently in focal awareness.
88Unconscious Mind
A reservoir of mostly unacceptable thoughts, wishes, feelings, and memories.
89Denial
Psychoanalytic defense mechanism by which people refuse to believe or even to perceive painful realities.
90Displacement
Defense mechanism that shifts sexual or aggressive impulses toward a more acceptable or less threatening object or person.
91Projection
Defense mechanism by which people disguise their own threatening impulses by attributing them to others.
92Rationalization
Defense mechanism that offers self-justifying explanations in place of the real, more threatening, unconscious reasons for one's actions.
93Reaction Formation
Defense mechanism by which the ego unconsciously switches unacceptable impulses into their opposites.
94Regression
Defense mechanism in which an individual faced with anxiety retreats to a more infantile psychosexual stage.
95Repression
Defense mechanism by which anxiety-provoking thoughts and feelings are forced to the unconscious.
96Sublimation
Defense mechanism by which people re-channel their unacceptable impulses into socially approved activities.
97Humanistic Psychology
A historically significant perspective that emphasized the growth potential of healthy people.
98Unconditional Regard
An attitude of total acceptance toward another person.
99Self-Actualizing Tendency
The human motive toward realizing our inner potential.
100Social-Cognitive Theory
Views behavior as influenced by the interaction between people's traits (including their thinking) and their social context.
101Reciprocal Determinism
The interacting influences of behavior, internal cognition, and environment.
102Self-Concept
All our thoughts and feelings about ourselves, in answer to the question, 'Who am I?'
103Self-Efficacy
One's sense of competence and effectiveness.
104Self-Esteem
One's feelings of high or low self-worth.
105Trait Theories
Theories that endeavor to describe the characteristics that make up human personality in an effort to predict future behavior.
106Big Five Theory
The theory that there are five basic personality traits: openness, conscientiousness, extraversion, agreeableness, and neuroticism (emotional stability).
107Personality Inventories
A questionnaire (often with true-false or agree-disagree items) on which people respond to items designed to gauge a wide range of feelings and behaviors; used to assess selected personality traits.
108Factor Analysis
A statistical procedure that identifies clusters of related items (called factors) on a test; used to identify different dimensions of performance that underlie one's total score.
109Openness to Experience
One of the five factors; willingness to try new things and be open to new experiences.
110Conscientiousness
One of the five factors; a tendency to show self-discipline, act dutifully, and aim for achievement.
111Extraversion
One of the five factors; energy, positive emotions, and the tendency to seek stimulation and the company of others.
112Agreeableness
One of the five factors; a tendency to be compassionate and cooperative rather than suspicious and antagonistic towards others.