Both the assumptions and the conclusions remain controversial, even though the theorems themselves are not. Jury theorems from social choice theory provide formal arguments for wisdom of the crowd given a variety of more or less plausible assumptions. Research within cognitive science has sought to model the relationship between wisdom of the crowd effects and individual cognition.Ī large group's aggregated answers to questions involving quantity estimation, general world knowledge, and spatial reasoning has generally been found to be as good as, but often superior to, the answer given by any of the individuals within the group. Decision-making would happen by a diverse group instead of by a fairly homogenous political group or party. In politics, sometimes sortition is held as an example of what wisdom of the crowd would look like.
Collective perception definition trial#
Trial by jury can be understood as at least partly relying on wisdom of the crowd, compared to bench trial which relies on one or a few experts. An explanation for this phenomenon is that there is idiosyncratic noise associated with each individual judgment, and taking the average over a large number of responses will go some way toward canceling the effect of this noise. This process, while not new to the Information Age, has been pushed into the mainstream spotlight by social information sites such as Quora, Reddit, Stack Exchange, Wikipedia, Yahoo! Answers, and other web resources which rely on collective human knowledge. The wisdom of the crowd is the collective opinion of a diverse independent group of individuals rather than that of a single expert. For the book by Joe Abercrombie, see The_First_Law § The_Wisdom_of_Crowds. For the TV series, see Wisdom of the Crowd. For the book by James Surowiecki, see The Wisdom of Crowds. This article is about the collective opinion.
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