• Diversity of opinions promotes herding in uncertain crowds 

      Navajas, Joaquin; Armand, Oriane; Moran, Rani; Bahrami, Bahador; Deroy, Ophelia (Royal Society Open Science, 2022)
      Classic and recent studies demonstrate how we fall for the ‘tyranny of the majority' and conform to the dominant trend when uncertain. However, in many social interactions outside of the laboratory, there is rarely a clearly ...
    • The wisdom of extremized crowds: Promoting erroneous divergent opinions increases collective accuracy 

      Navajas, Joaquin; Barrera Lermarchand, Federico; Balenzuela, Pablo; Bahrami,Bahador; Deroy, Ophelia (Universidad Torcuato Di Tella, 2023)
      The aggregation of many lay judgements can generate surprisingly accurate estimates. This effect, known as the “wisdom of the crowd”, has been demonstrated in domains such as medical decision-making, factchecking news, ...