When cognitive scientist P. Read Montague of Virginia Tech's Carilion Research Institute administered intelligence tests to people individually and in groups of five, they found that IQ actually dropped in the social setting."Individuals express diminished cognitive capacity in small groups," wrote Montague's team, and they're not sure why, though they suspect that social pressure plays a role. Groups have hierarchies and pecking orders; stress and intimidation could translate into compromised cognition.
From Human Nature and the Neurobiology of Conflict by , January 26, 2012 at Wired.com.
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