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The findings present a significant caveat to what is known about collective intelligence, or the "wisdom of crowds," wherein individual observations coalesces into a single, accurate group decision.The consensus has been that group decisions are enhanced as more individuals have input, but collective decision-making has rarely been tested under complex, "realistic" circumstances where information comes from multiple sources. The Princeton researchers found that in these scenarios crowd wisdom peaks early then becomes less accurate as more individuals become involved.
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Sean Fogenberg
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