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Psychology

The Psychological Impact of the Bystander Effect in Emergencies

Quick fact

The bystander effect, demonstrated by John Darley and Bibb Latané in 1968, was inspired by the 1964 murder of Kitty Genovese, where 38 witnesses reportedly did not intervene, though later reports question this number.

Why this is interesting

Imagine you are in a crowd and someone collapses. Would you help? Surprisingly, the more people present, the less likely it is that anyone will step forward.