Cultures change when people adopt innovations of a few.
Religion encouraged people to control their selfish impulses and cooperate.
Examples of rapid cultural change: Cars, radio, electric lighting. Increase depression, increase economic inequality fewer hours of sleep, and fewer hours with family.. The human gene pool evolves far too slowly.
Conformity
Social contagion:
Definition: The tendency to go with the group, do what it does, think what it thinks.
Examples: Yawning, laughing, coughing, spikes in suicide rates after publicized suicides.
Asch's experiments:
College students were asked questions alone or less than 1% of the time.
A third of the time, participants conformed to the group, even when the group was wrong.
Factors increasing conformity:
Feeling incompetent or insecure.
Being in a group with at least three people.
Everyone else in the group agrees.
Admiring the group's status and attractiveness.
Not having made a prior commitment.
Knowing others will observe behavior.
Being from a culture that encourages respect for social standards.
Normative social influence:
Conforming to avoid rejection or gain social approval.
Stronger in collectivist and tight cultures.
Dynamic norms:
Responsiveness to changing norms (e.g., eating less meat, consuming fewer sugary drinks).
Obedience
Milgram's obedience experiments:
Demonstrated the power of social influence.
Group Behavior
Social facilitation:
Definition: Improved performance on simple or well-learned tasks in the presence of others.
Home advantage in sports: 54% in MLB, 60% in NBA, 63% in English Premier League soccer.
Social loafing:
Definition: Tendency for people in a group to exert less effort when pooling their efforts toward a common goal than when individually accountable.
More common in individualist cultures.
Causes: Feeling less accountable, dispensable individual contributions, overestimating one's own contributions.
Deindividuation:
Definition: Loss of self-awareness and self-restraint occurring in group situations that foster arousal and anonymity.
Can lead to decreased effort, lowered self restraint, humor or fuel mob violence.
Groups tend to be more immoral than individuals.
Table 36.1: Behavior in the presence of others
Social facilitation: being absurd. Increased arousal. amplified dominant behavior.
Social loafing: group projects. Diminished feelings of responsibility. Decreased effort.
deindividuation: group setting that fosters arousal and anonymity. Reduced self awareness. Lowered self restraint.
Group Polarization
Group polarization:
Definition: Enhancement of a group's prevailing inclinations through discussion within the group.
We live in an increasingly polarized world.
Partisanship in the US Congress has increased with time.