Crowds of people are often seen as bad for public order. But they have ways of policing themselves that the police might do well to understand

ACCORDING to a much-reported survey carried out in 2002, Britain then had 4.3m closed-circuit television (CCTV) cameras—one for every 14 people in the country. That figure has since been questioned, but few doubt that Britons are closely scrutinised when they walk the streets. This scrutiny is supposed to deter and detect crime. Even the government’s statistics, though, suggest that the cameras have done little to reduce the worst sort of criminal activity, violence.
That may, however, be about to change, and in an unexpected way. It is not that the cameras and their operators will become any more effective. Rather, they have accidentally gathered a huge body of data on how people behave, and particularly on how they behave in situations where violence is in the air. This means that hypotheses about violent behaviour which could not be tested experimentally for practical or ethical reasons, can now be examined in a scientific way. And it is that which may help violence to be controlled.
One researcher who is interested in this approach is Mark Levine, a social psychologist at Lancaster University in Britain who studies crowds. Crowds have a bad press. They have been blamed for antisocial behaviour through mechanisms that include peer pressure, mass hysteria and the diffusion of responsibility—the idea that “someone else will do something, so I don’t have to”. But Dr Levine thinks that crowds can also diffuse potentially violent situations and that crime would be much higher if it were not for crowds. As he told a symposium called “Understanding Violence”, which was organised by the Ecole Polytechnique Fédérale de Lausanne in Switzerland earlier this month, he has been using CCTV data to examine the bystander effect, an alleged phenomenon whereby people who would help a stranger in distress if they were alone, fail to do so in the presence of others. His conclusion is that it ain’t so. In fact, he thinks, having a crowd around often makes things better.
Read More: The Economist
Posted by: Andreea Hirica
Posted on: Contagious Ideas








