Research on Crowd Behaviour Has Demonstrated That

Research on crowd behaviour has demonstrated that

A) there is a consistent relationship between being in a crowd and increased levels of aggression.
B) prosocial responses to crowd outbursts are more common than aggressive responses, even in an aggression-inducing situation.
C) crowd behaviour is a special case of deindividuation that results in violent responses.
D) crowds can be related to aggressive or prosocial behaviour depending on the prevailing social norm of the situation.