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Federico Barrera-Lemarchand on Muck Rack

Federico Barrera-Lemarchand

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Articles

Collective problem decomposition improves the wisdom of deliberative crowds

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By Julieta Sánchez Ruiz, Facundo Carrillo, Mariano Sigman, Joaquin Navajas, Federico Barrera-Lemarchand, Victoria Lescano-Charreau, Nuria Cáceres
| Nature Verified
Abstract Understanding when and why social interaction improves human judgment is a central question in the behavioural sciences. We examine whether collective accuracy improves when groups break complex estimation problems into simpler components and generate approximate intermediate estimates, a reasoning strategy we call Collective Fermi Estimation. Across three studies analysing 1140 online group deliberations in text chatrooms we study its causal effects and linguistic signatures.
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