Say you came across someone who was lying motionless in the street would you stop and find out what happened or if they were injured in some way?

Most people might like to think, and indeed say, that they would go over to help, but it turns out that if you are in a crowd or on a busy street the chances of you stopping are greatly reduced.

So, why might the presence of strangers affect the way we behave?

Jonathan was joined by Dr Mark Levine, Professor of Social Psychology at the University of Exeter to discuss the 'Bystander Effect' in this week's episode of 'Futureproof Gold'

First aired 19/08/2017