3 checked facts

Bystander effect

Everything on this site about bystander effect — each one naming the study behind it.

The presence of more people makes you less helpful.
Darley and Latané (1968) found participants were 85% likely to help a person in need when alone, and 31% when four oth…
You help less when others are present.
A 1968 study found that participants were significantly slower to report a plume of smoke filling a room if they were …
The presence of others makes you less likely to act.
A 1968 study found that individuals are significantly less likely to intervene in an emergency when they believe other…