August 19, 2014

WHICH IS WHY WE HAVE PUBLIC EDUCATION:

Common Knowledge Makes Us More Cooperative (AVITAL ANDREWS, August 19, 2014, Pacific Standard)

If you know that someone knows something that you also know, does that make you more likely to cooperate with them? A new study out of Harvard suggests the answer is yes.

Social psychology has plenty of studies that examine altruism, but there hasn't been much research that looks into its obscure cousin, "mutualistic cooperation"--that is, when people cooperate to benefit each other and themselves.

To start rectifying that, a group of researchers, including the popular author Steven Pinker, designed and ran four game theory-type experiments on 1,033 people that involved giving subjects varying levels of information, from private to common--the common knowledge was literally broadcast over a loudspeaker. Each person was then given a set of decisions with varying costs and payoffs, and allowed to choose whether to work by themselves or with others. In many cases, participants needed common knowledge and others' help to get the games' maximum benefit. The researchers also manipulated what their subjects knew about their partners' knowledge.

The resulting study, published last week in the Journal of Personality and Social Psychology, suggests that when people have common knowledge, they're much likelier to act in each others' best interest.
Posted by at August 19, 2014 7:49 PM
  
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