Tag: Mariano Sigman


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Aggregated Knowledge From a Small Number of Debates Outperforms the Wisdom of Large Crowds Joaquin Navajas, Tamara Niella, Gerry Garbulsky, Bahador Bahrami and Mariano Sigman (December 2018)

Abstract The aggregation of many independent estimates can outperform the most accurate individual judgment. This centenarian finding, popularly known as the ‘wisdom of crowds’, has been applied to problems ranging from the diagnosis of cancer to financial forecasting. It is widely believed that social influence undermines collective wisdom by reducing the diversity of opinions within … Continue reading Aggregated Knowledge From a Small Number of Debates Outperforms the Wisdom of Large Crowds Joaquin Navajas, Tamara Niella, Gerry Garbulsky, Bahador Bahrami and Mariano Sigman (December 2018)

How Can Groups Make Good Decisions? Mariano Sigman and Dan Ariely (2017)

video player How can groups make good decisions? | Mariano Sigman and Dan Ariely Mariano closes this talk with the . You can read the transcript below. Partial Transcript Good collective decisions require two components: deliberation and diversity of opinions. Right now, the way we typically make our voice heard in many societies is through … Continue reading How Can Groups Make Good Decisions? Mariano Sigman and Dan Ariely (2017)