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More brains don’t always lead to better decisions
April 24, 2014 /
We tend to think that a group decision is more likely to be accurate when there are more brains involved–but that might not be true in all situations.
Researchers report that smaller groups actually tend to make more accurate decisions, while larger assemblies may become excessively focused on only certain pieces of information.
The findings present a significant caveat to what is known about collective intelligence, or the "wisdom of crowds," wherein individual observations–even if imperfect–coalesce into a single, accurate group decision.
by Morgan Kelly-Princeton
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