Nowadays, though we may still idolize the charismatic leader or creative genius, almost every decision of consequence is made by a group. And groups of smart people can make horrible decisions — or great ones. Indeed, the smartest teams were distinguished by three characteristics.
First, their members contributed more equally to the team’s discussions, rather than letting one or two people dominate the group.
Second, their members scored higher on a test called Reading the Mind in the Eyes, which measures how well people can read complex emotional states from images of faces with only the eyes visible.
Finally, teams with more women outperformed teams with more men. Indeed, it appeared that it was not “diversity” (having equal numbers of men and women) that mattered for a team’s intelligence, but simply having more women. This last effect, however, was partly explained by the fact that women, on average, were better at “mindreading” than men.
Read more here:
http://www.nytimes.com/2015/01/18/opinion/sunday/why-some-teams-are-smarter-than-others.html
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