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Why do people behave differently in a crowd? © Getty Images

Why do people behave differently in a crowd?

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This may be due to a wish to fit in, feeling constrained by being observed, excitement from the noise and action, or a response to local culture.

Asked by: Julia Nielson, Cardiff


They may wish to fit in by imitating others, feel constrained by being observed, become excited by the noise and actions of the crowd, or may respond to local conditions and culture.

An odd example is that in different countries pedestrians step right or left when meeting others on a crowded street. This is unrelated to which side of the road they drive on and appears to emerge spontaneously and then stick in each culture.

Perhaps the most worrying behaviour is when people feel less responsible for helping someone in trouble when there are others around. This ‘bystander effect’ is quite rare but more likely the larger the crowd.


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