The tendency for people in a group to exert less effort when pooling their efforts toward attaining a common goal than when individually accountable.
Stronger responses on simple or well-learned tasks in the presence of others.
The enhancement of a group's prevailing inclinations through discussion within the group.
The mode of thinking that occurs when the desire for harmony in a decision-making group overrides in a realistic appraisal of alternatives.
The enduring behaviors, ideas, attitudes, values, and traditions shared by a group of people and transmitted from one generation to the next.
An understood rule for accepted and expected behavior. They prescribe "proper" behavior.
The buffer zone we like to maintain around our bodies.
The tendency to favor our own group.
Any physical or verbal behavior intended to hurt or destroy against someone.
The principle that frustration- the blocking of an attempt to achieve some goal- creates anger, which can generate aggression.
Mental tapes for how to act, provided by our culture
mere exposure effect
Because the human face is not perfectly symmetrical, the face we see in the mirror is not the one our friends see.
Unselfish regard for the welfare of others
The tendency for any given bystander to be less likely to give aid if other bystanders are present.
An expectation that people will help, not hurt, those who have helped them.
mirror image perceptions
Mutual views often held by conflicting people, as when each side sees itself as ethical and peaceful and views the other side as evil and aggressive.
A person has one positive characteristic, we assume they have others.
One negative characteristics, assume they have others.
Weakened performance in front of a crowd.
The theory that we explain someone's behavior by crediting either the situation or the person's disposition
Fundamental attribution error
the tendency for observers, when analyzing another's behavior, to underestimate the impact of the situation and to overestimate the impact of personal disposition.
overestimating others' noticing and evaluating our appearance, performance, and blunders.
self serving bias
a readiness to perceive oneself favorably
central route persuasion
attitude change path in which interested people focus on the arguments and respond with favorable thoughts
peripheral route persuasion
attitude change path in which people are influenced by incidental cues, such as a speaker's attractiveness.
foot in the door phenomenon
the tendency for people who have first agreed to a small request to comply later with a larger request
door in the face phenomenon
you start large and overwhelm someone, then go to a realistic request.
cognitive dissonance theory
the theory that we act to reduce the discomfort we feel when two of our thoughts are inconsistent.
adjusting one's behavior of thinking to coincide with a group standard