1.1 Reduced self evaluation, decreased concern about
evaluation by others. This leads to an increase in
antisocial behaviour. More common in large crowds,
when anonymity or altered state eg drugs or alcohol.
1.2 Social norms usually inhibit antisocial behaviour but
inhibitation is removed when deindividuated. in large
group, feels faceless so restraints are reduced,
2.1 ZIMBADO- prisoners and
guards. adopted role after 6 days
2.2 REHM- if uniform influenced aggression while
playing sports. children in same coloured shirts
more aggressive than own clothes.
2.3 MULLEN- analysed newspaper cuttings.
more people in a mob, the more violent
2.4 Reduced self awareness. in large crowds,
less able to self regulate behaviour
3.2 GENDER BIAS-
conducted on males
3.3 ETHICS- zimbado,
4.1.1 ZIMBADO- women,
half bags on head half
name badges. all
given shocks. more to
those with bags, anon
4.1.2 MANN- support from real world- in mobs, more
people, more aggression. also, suicide jumpers.
jumped if verbal abuse from crowd.
4.1.3 ZIMBADO- prisoners and guards
4.2.1 JOHNSON AND DOWNING- rather than
aggression being due to deindividuation,
more likely product of group
4.2.2 Evidence is mixed. meta
analysis of 60 deindividuation
studies, insifficient evidence,
especially that its large
groups and anon setting
4.2.3 WATSON- tribes who changed
war paint were more aggressive
than those who did not