Summary of How Can Groups Make Good Decisions?

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How Can Groups Make Good Decisions? summary
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In today’s climate of polarized politics and cultural divides, understanding the dynamics of group decisions feels highly relevant to a democracy. Researchers Mariano Sigman and Dan Ariely’s experiments among TED conference audiences cast light on what helps and hinders sound group decisions. getAbstract believes managers and executives, along with those interested in the cognitive and political sciences, will appreciate this fun, fascinating talk.

In this summary, you will learn

  • How groups interact to form decisions,
  • Why small groups generally show better judgment than individuals do and
  • How societies should apply this research to improve their collective decision making.

About the Speakers

Mariano Sigman is a neuroscientist. Predictably Irrational author Dan Ariely is a behavioral economist.



Sometimes crowds make disastrous choices. Groups are smartest when individuals think for themselves. Peer pressure, social influence and publicity can erode good judgment. But when people use conversations to swap information and correct each other, groups can be collectively wiser. So are discussions...

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