Week 10 - Collective Behaviour Flashcards
What are three theories of crowd behaviour?
De-individuation
Emergent norm theory
Social Identity theory
What are 6 theories of why people do/n’t engage in collective action?
System justification theory Normative pressure Subgroup differences Cost-benefit analysis Efficacy considerations Identity considerations
What event evidences that riots aren’t a modern phenomena? (x1, plus explain x2)
Nika riots, 532 AD
Week long, half city burned, destroyed, tens of thousands killed
Unclear cause of violence, maybe escalated from small gathering
Have there been riots locally? (x1, plus explain x3)
Battle of Brisbane, 1942
Americans, allies getting stationed here
Were better paid, had more things to give local girls
Two nights, big fights with Oz soldiers
What was the cause of the Cronulla riots? (x3)
Small fight between Lebanese men and beach patrol,
Escalated by racist text messages calling Ozzies to arms
5000 people gathered
What was the traditional view of crowd behaviour? (x2)
Why has this always been of interest to social psychs? (x1)
Isolated, he may be a cultivated individual, in a crowd he is a barbarian - a creature acting on instinct
Saw irrational, aggressive behaviour as inevitable
Politically motivated/funded - understand in order to control/reduce risk of protest/rebellion
Explain the psychodynamic basis of traditional views of crowd behaviour (x2)
Superego normally controls instincts/aggressive impulses
But in crowds, the primitive id takes over
What 3 themes emerge from the psychodynamic/traditional views of crowd behaviour?
Anonymity implied by the crowd means people lose responsibility for their actions
Unconscious antisocial motives are released
Ideas and behaviours spread rapidly and unpredictably through the crowd (“contagion”)
Describe the 4 stages in a flow chart of de-individuation and crowd behaviour (x8)
Environmental conditions: anonymity, high arousal, group unity
Leads to reduced self-awareness
That manifests as de-individuation
With symptoms such as:
Weakened restraints against impulsive behaviour
Increased responsiveness to current emotional states
Inability to monitor/regulate own behaviour
Less concern about evaluations by others
Lowered ability to engage in rational planning
What is meant by the term de-individuation? (x3)
Don’t lose identity,
But don’t care about personal beliefs, needs – all about the crowd
Lose maturity, behave like child
What evidence did Festinger (1952) provide for the de-individuation hypothesis of crowd behaviour through experiment on discussions of parents? (x3)
Ps engaged in group discussion about their parents.
Some conditions, took place in dimly lit room, with participants wearing lab coats.
In this de-individuation condition people made more negative comments about their parents than control condition.
What evidence did Jaffe and Yinon (1979) provide for the de-individuation hypothesis of crowd behaviour through ‘shock’ experiment? (x2)
Compared mean electric shock administered in lab by individuals compared to groups of three.
Ps in groups gave consistently more intense shocks
What evidence did Zimbardo (1970) provide for the de-individuation hypothesis of crowd behaviour through ‘shock’ experiment? (x2)
Ps gave strangers electric shocks in lab.
Some made to wear cloaks and hoods, others wore ordinary clothes.
Deindividuated participants gave up to twice the duration of electric shock
What evidence did Siegel (1986) provide for the de-individuation hypothesis of crowd behaviour through experiment of f2f vs electronic discussion? (x2)
Recorded exchanges of in group discussion
Computer-mediated communication was characterized by higher incidences of swearing, name-calling and insults (“flaming”).
What was involved in Diener (1976) study of the de-individuation hypothesis of crowd behaviour through trick-or-treat behaviours? (x4)
Finding? (x2)
Observed 1352 US children
Experimenters in 27 homes, children to “take one of the lollies on the table”.
Children either alone or in groups.
Half the children first asked names and where they lived, to reduce de-individuation.
80% of de-individuated kids took extra sweets,
Only 8% of others
What anthropological evidence of tribal warfare did Watson (1973) contribute to the de-individuation hypothesis? (x4)
Studied archival records
Found that cultures in which people change their appearance before battle (e.g,. body painting, masks) engage in more aggressive warfare -
80% engaged in torture/mutilation
Vs 13%
What evidence did Mullen (1986) provide for the de-individuation hypothesis of crowd behaviour through examination of archives on US lynchings? (x1)
The larger the size of the crowd, the more gruesome the assault
What are 3 limitations of the de-individuation hypothesis?
Notion of crowd behaviour as irrational and pathological.
Evidence for de-individuation often circumstantial - when tested directly, evidence is mixed.
Crowds frequently behave in calm/pro-social ways
What was involved in Postmes and Spears (1998) meta-analysis of evidence for the de-individuation hypothesis? (x2)
Finding? (x2)
Concluding/arguing? (x1)
IVs: group size, anonymity, cohesiveness
DVs: electric shock, stealing, cheatingIVs not reliably related to antisocial behaviour.
Little support that experience of de-individuation per se accounts for effects found.
Strong effect for situational (group) norms
Anonymity and de-individuation assist people to take on whatever role is implied by the situation (can be both antisocial and prosocial).
What was involved in the Johnson and Downing (1979) study of de-individuation and role expectations? (x5)
Finding? (x2)
Ps told they’d be administering shocks to strangers in ‘learning experiment’
Asked to wear KKK or nurses robe
Half also given name badge
Then asked to participate in second ‘shock/learning’ study
Measured change in shock levels
KKK robes gave similar shock with/out name badges
Nurses gave weaker electric shocks, especially when individuated (by name badge)