Friday 12 July 2019

Bystander effect: Famous psychology result could be completely wrong

an article by Grace Browne published in Newe Scientist [brought to us by the World of Psychology blog]

Boy attacks girl while others watch
Won’t somebody stop him?
SolStock/Getty

If you were being attacked, would anyone stop to help you? A famous result in psychology known as the bystander effect says probably not, but now a review of real-life violent situations says this commonly held view may be wrong.

The bystander effect purports that in situations such as a robbery or a stabbing, bystanders are less likely to step in if there are a large number of people in the area, so the likelihood of intervention decreases.

The idea has its roots in the 1964 case of Kitty Genovese, a 28-year-old woman who was raped and murdered in the early morning in her quiet neighbourhood in Queens, New York. The New York Times reported at the time that 38 people had watched for more than half an hour as she was attacked.

It turns out that the number of observers in that case was an exaggeration, but the incident has become part of psychology legend. The bystander effect, first proposed by social psychologists Bibb Latané and John Darley, has been replicated in numerous experimental studies.

Potential explanations for the phenomenon include that individuals may feel less responsibility to intervene when many other people are around, as well as fear acting inadequately when being observed. It may also be that if no one else seems to be reacting or taking action, then we may fail to perceive the situation as an emergency.

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