James Guszcza, Bryan Richardson [Archive.org URL]

Anita Woolley of Carnegie-Mellon University and her collaborators constructed a measure of collective intelligence and found that it is roughly as predictive of group performance as IQ is of individual performance. Surprisingly, collective intelligence is not explained by factors such as group satisfaction, cohesion, or motivation. Instead, the strongest predictors of collective intelligence—and group success—are equality of conversational turn-taking (measured using sociometric data) as well as the ability of the group’s members to read social signals (measured using more traditional psychometric data).

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