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Conformity
a change in behavior or belief to accord with others, whether through real or imagined pressure
compliance
conforming to an explicit or implicit request while privately disagreeing (public conformity)
acceptance (internalization)
conforming both publicly and privately, because you believe it
obedience
acting in accord with a direct order
norm
an understood rule for accepted and expected behavior
classic study of conformity: Sherif’s autokinetic effect
norm formation
Participants judged how far a stationary point of light appeared to “move” in a dark room
Alone, estimates were unstable; in groups, estimates converged on a shared group norm
The norm persisted even when participants were later tested alone
It was passed on to new participants across “generations”
The task was ambiguous, so people relied on others for information
classic study of conformity: Asch’s line-judgment studies
participants judged which of three lines matched a standard line, in a group of confederates who unanimously gave wrong answers on critical trials
about 1/3 of critical-trial responses conformed
about ¾ of participants conformed at least once
key point: conformity occurred even when the task was clear; many participants reported feeling doubt or distress
with group size….
conformity rises up to about 3-5 people, then levels off
with unanimity…
one dissenter, even one who gives a wrong answer different fromt he majority, sharply cuts conformity
with cohesion…
people conform more to groups they feel attached to or identify with
with status…
higher-status group members have more influence in conformity
with public response…
conformity is greater when responses are public rather than written privately
with no prior commitment…
people who have already stated a position conform less
why do we conform: normatice influence
going along to gain approval or avoid rejection (leads to compliance)
why we conform: informational influence
going along because others’ views are evidence about reality (leads to acceptance); it is strongest when a situation is ambiguous, a crisis, or others seem to be experts
culture
Conformity is generally higher in collectivist cultures, which value harmony and obligation
personality and self-esteem
low self-esteem, a strong need for social approval, and a low sense of control are linked to higher conformity
social roles
roles can shape behavior and attitudes
gender
differences in conformity are small and depend heavily on context and the topic’s familiarity
resisting pressure - reactance
a motive to protect or restore one’s sense of freedom; when freedom is threatened, people may do the opposite of what they are pressured to do
resisting pressure: need for uniqueness
people prefer to see themselves as distinct; uniqueness is more valued in individualist cultures
we conform, but we
also value independence, and context decides which wins
Milgram’s obedience studies
Procedure: participants (the “teacher”) were told to deliver increasingly strong shocks, up to 450 volts, to a “learner” (a confederate) for wrong answers; shocks were not real
Baseline result: about 65% went all the way to 450 V, despite the learner’s protests and apparent distress
Reality check: the experiment was a real moral dilemma; participants showed signs of stress, but most continued under pressure from an authority
What affected obedience in Milgram’s variations: victim’s distance
obedience dropped as the victim became more present (closer, in the same room, or physically touching)
What affected obedience in Milgram’s variations: authority’s closeness and legitimacy
obedience fell when the experimenter gave orders by phone or was seen as less legitimate; obedience was lower in a rundown offie than a presigious place like Yale
What affected obedience in Milgram’s variations: liberating effects of group influence
with two defiant fellows “teachers” obedience dropped sharply; seeing others disobey makes disobedience easier
What affected obedience in Milgram’s variations: personal characteristics
person differences matter less than the situation, though some traits, like authoritariaism, are linked to obedience
authoritarianism
style of rule centered on concentrated, centralized power, the rejection of pluralism and suppression of individual freedoms, civil liberties, and the rule of law
reflection on Milgram: behavior and attitudes
small intitial steps (starting at a smaller voltage) create self-jsutification and c ommitment, so the next step feels natural; this si the foot-in-the-door effect
reflection on Milgram: ethics
the studies raised major concerns about stress, deception, and the right to withdraw, which helped shape modern sthics standards (informed consent, debriefing)
reflection on Milgram: replications
Burger’s partial replication stopped at 150V and found that about 70% were still willing to continue at that point
reflection on Milgram: engaged followership
a critique that participants did not obey blindly but identified with the scientific goal and the experimenter’s cause
Zimbardo’s Stanford Prison Study
student volunteers randomly assigned to guard or prisoner roles in a simulated prison
Guards became abusive, and prisoners became passive, so the study was stopped early
it was taken as evidence that roles and situations shape behavior
Criticisms: the guards were coached by researchers, demand characteristics may have shaped behaviour, and there was no control for selection; it is generally seen as a weaker demonstration than originally claimed.
strong situations can
override personal values and dispositions
evil acts often arise
gradually, one small step at a time
disobedience often needs support:
a dissenting voice or peer who defies authority
responsibility and conscience matter:
people feel pressure to resist when the victim is real and near
group
two or more people who, for longer than a few moments, interact with and influence one another and think of themselves as “us”; can affect individual performance, individual behavior, and group decisions
social facilitation and the presence of others: Cyclist example
cyclists raced faster against others than alone
social faciliation
improved performance on simple or well-learned tasks in the presence of others
Zajonc’s key insight on social facilitation
others’ presence is arousing, and arousal strengthens whatever response is dominant (most likely) for the task:
easy or well-learned task → dominant response is correct → performance improves
difficult or novel task → dominant response is incorrect → performance suffers
easy or well-learned tasks in sociak facilitation
your instincts are usually right, so pressure can help
you’ve practiced many times
Automatic response is usually correct
other people’s presence increases arousal, strengthening the correct response - performance improves
difficult or unfamilar tasks in social facilitation
your instincts may be wrong, so pressure can hurt
haven’t practiced much, or the task is challenging
your automatic response is more likely to be incorrect
others’ presence increases arousal, strengthening incorrect responses → performance worsens
source of arousal: evaluation apprehension
concern about being evaluated
source of arousal: diistraction
confliuct between attending to the task and to others
source of arousal: mere presence
arousal even without evaluation
crowding
the presence of many others increases arousal, which also strengthens dominant responses (helps simple tasks, hurts complex ones)
why aroused with a crowd?
both evaluation and distraction contribute, and some arousal appears with mere presence
social loafing
The tendency for people to exert less effort when in a group, pooling efforts toward a common goal, than when individually accountable
Origin of social loafing: Ringelmann’s rope-pulling experiment
as group size increased, each individual contributed less effort to pulling a rope
Latane’s shoutting and clappoing experiments
found that people produced less noise individually when they believed they were part of a group compared to when performing alone
as group size increases,
individual effort often decreases because people feel less personally responsible for the group’s overall performance
why does social loafing occur
individual contributions are not identifiable (diffusion of responsibility)
people assume others will carry the load (free riding)
reduced evaluation apprehension: no individual accountability
reducing loafing
make individual contributions identifiable
make tasks challenging, appealing, or involving
increase group cohesion and commitment
set group goals and reward individual contributions
culture and social loafing
it it weaker in collectivist cultures; women tend to loaf less than men, perhaps because of greater relationship focus
social loafing and contrast with facilitation
facilitation happens when individual performance can be evaluated; loafing happens when it cannot be
deindividuation
loss of self-awareness and evaluation apprehension, occurring in group situations that foster anonymity and diminish personal responsibility
conditions that encourage deindividuation
group size (larger groups)
physical anonymity (masks, uniforms, darkness)
arousing and distracting activities (ex. chanting, dancing)
deindividuation can make you
Impulsive, uninhibited, and sometimes antisocial behaviour (ex. aggressionm vandalism, mob behavior); it can also amplify prosocial norms if cues point that way
deindividuation study: Zimbardo
women in hoods gave longer shocks than those wearing name tags
deindividuation study: Diener’s Halloween study
children took more candy when anonymous and in groups
mecahnism of deindividuation
reduced self awareness, so people stop monitoring behavior against personal standards
deindividuation is about
a reduced sense of self, not merely being in a crowd; context and cues matter
group polarizaiton
group discussion strengthens the members’ initial tendencies; it is an enhancement of the average view, not a move toward the middle
origin of group polarization
the “risky shift” (Stoner) - groups tended to make riskier decisions than the average of the individuals making them separately, later shown to be one case of a broader polarization effect (cautious groups became more cautious)
discussion intensified prejudice among prejudiced students
groups with similar views (ex. ideological communities, juries, extreme movements) become more extreme
terrorist groups and online echo chambers can intensify attitudes
why group polarization: informational influence
in discussion, people hear more arguments favoring the dominant view and persuasive arguments tilt group opinion
why group polarization: normative influence (social comparison)
people want to be seen favorably and shift to appear more strongly aligned with the group’s tendency
role of the internet in group polarization
online communities make it easy to find like-minded others and strengthen shared views
applications: group polarization
can intensify both positive and negative group tendencies, which is useful for understanding ideological extremism and decision making in juries and committees
Groupthink (Janis)
a mode of thinking that people engage in when they are deeply involved in a cohesive group, when the members’ striving for unanimity override their motivation to realistically appraise alternatives
Groupthink Case Studies
Bay of Pigs invasion, escalation in Vietnam, Pearl Harbor, Watergate, the Challenger launch decision. Janis contrasted these with the more careful Cuban Missile Crisis decision
antecedents (what comes before) groupthink
high cohesion, isolation from dissenting viewpoints, a directive leader who signals a preferred outcome, and stress
symptoms of groupthink
overestimation of the group
illusion of invulnerability
belief in the group’s inherent morality
close-mindedness
collective rationalization
stereotyped views of out groups
pressures toward uniformity
conformity pressure
self-censorship
illusion of unanimity
“mind guards” shielding the group from dissenting information
consequences of groupthink
poor decisions, incomplete information search, failure to consider alternatives and risks
critiques of groupthink
the evidence is mostly retrospective case studies, and some research finds that cohesion alone does not cause groupthink
preventing groupthink
the leader stays impartial and does not state a preference early
encourage open dissent and assign a devil’s advocate
seek outside expert opinion and subdivide the group
hold a “second-chance” meeting before the final decision
the power of individuals: minority influence
Moscovici - a minority can sway the majority when it is consistent and persistent
key factors of minority influence
consistency - unwavering position signals confidence and conviction
self-confidence - a minority that seems certain makes the majority reconsider
defections from the majority - when majority members switch, others follow
majority vs minority processes
majorities tend to produce compliance through normative pressure, while minorities provoke deeper thinking and sometimes private acceptance
why minority influence matters
many social changes started with committed minorities
aggression
physical or verbal behavior intended to hurt someone; defined by intent not outcome
hostile (affective) aggression
driven by anger and aimed at hurting the target
instrumental aggression
hurting is a means to some other end (money, power, social goals)
relational aggression
harming others through social exclusion, gossip, or damaging relationships
frustration
the blocking of goal-directed behavior
catharsis
emotional release, the idea that venting aggression reduces later aggression
biological influences of aggression: instinct view
Freud and Lorenz saw aggression as an innate drive that builds up and must be released
largely rejected - aggression varies hugely across cultures and situations, and there is no evidence of a fixed energy that must be discharged
biological influences of aggression: neural influences
no single “aggression center,” but the amygdala and other limbic areas are involved
the frontal lobes help regulate and inhibit aggression; damage or impaired functioning there is linked to violent behavior
violent offenders sometimes show reduced frontal activity and abnormal brain function
biological influences of aggression: genetic influences
twin studies show aggressiveness is partly heritable
animals can be selectively bred for aggressiveness
genes interact with the environment (ex. MAOA gene variants and childhood maltreatment)
biological influences of aggression: biochemical influences
testosterone: higher levels are modestly correlated with irritability, impulsiveness, and aggression, but the effect is complex and bidirectional
serotonin: low levels are linked to impulsive aggression
alcohol: disinhibits aggression and impairs how people interpret provocation; it works through physiological effects and expectations
evolutionary perspective of aggression
it may have been adaptive in competition for status, mates, and resources
men commit more violence than women, and differences are most pronounced in physical aggression
critics note that culture and learning cause big variations that a purely evolutionary view cannot explain
frustration - aggression
Dollard et al. (1939): frustration creates anger, which can spark aggression
Berkowitz’s revision: frustration produces anger (readiness to aggress), but aggression needs cues (aggression-related stimuli) to trigger it - weapons effect idea: guns can prime aggressive thoughts
frustration is strongest when blocking is unexpected, illegitimate, or when the goal was close
displaced aggression
displaced aggression
frustration is redirected onto an innocent or safer target
pain and aggression
physical pain triggers hostility
heat and aggression
hotter temps. are linked to more aggression (violent crimes rises with heat, hot seasons, hot years; also baseball batters getting hit by pitches in hotter games)
other examples of aversive stimuli for aggression
noise, crowding, foul odors, and personal attacks
provocation and insult and aggression
retaliation is common, and aggression can escalate in tit-for-tat spirals
social learning theory (Bandura)
aggression is learned through observation and reinforcement
Bobo doll studies: children who watched adults hit a doll imitated the aggression
Family patterns: children who are rewarded for aggression or who are abused or neglected are more aggreessive
Coercive family interactions: can reinforce aggression (ex. giving in to tantrums)
aggression is more likely when it’s expected to pay off
social scripts and cognition
people develop scripts for how to act in particular situations
hostile attribution bias (assuming others have hostile intent) and rumination on slights increase aggression
culture of honor and aggression
in some regions ( ex. the Southern US), insults threaten reputation and are seen as justifying retaliation; may come from herding economies where reputation protected livelihood