-Individual changes when part of a crowd; combination of anonymity, suggestibiltiy and contagion. Therefore individual loses self-control and acts against social norms.
-Psychological state charactrised by lowered self-esteem and decreased concerns about evaluation by others. Happens in large groups. Deindividuation leads to antisocial behaviour because of an increase in prosocial behaviour.
-Act antisocially when unidentifiable, increase in bahviours usually inhibited. Lose our individuality.
-Zimbardo - tested anonymity to increase aggressiveness.
-Does wearing a uniform in sports team increase aggressive behaviour? yes, tested in german study and generally more aggressive when anonymous.
- Alternative perspective to Zimbardo's conclusion that anonymity si the determinant of deindividuation. Linked to redeuced self-awareness, a person focussing on themselves will be unlikely to produce a civil behaviour. Own behaviour needs to be regulated.