My groomsmen from my wedding and me. Perhaps not the best example of group intelligence.
When it comes to intelligence, the whole can indeed be greater than the sum of its parts. A new study co-authored by MIT, Carnegie Mellon University, and Union College researchers documents the existence of collective intelligence among groups of people who cooperate well, showing that such intelligence extends beyond the cognitive abilities of the groups’ individual members, and that the tendency to cooperate effectively is linked to the number of women in a group.
PhysOrg: Study finds small groups demonstrate distinctive ‘collective intelligence’ when facing difficult tasks