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== History ==

== History ==

[[文件:World Brain HG Wells 1938.jpg|400px|thumb|left|世界脑  H.G. Wells (1936–1938)]]

[[文件:World Brain HG Wells 1938.jpg|300px|thumb|left|世界脑  H.G. Wells (1936–1938)]]

The concept (although not so named) originated in 1785 with the [[Marquis de Condorcet]], whose "jury theorem" states that if each member of a voting group is more likely than not to make a correct decision, the probability that the highest vote of the group is the correct decision increases with the number of members of the group (see [[Condorcet's jury theorem]]). Many theorists have interpreted [[Aristotle]]'s statement in the [[Politics]] that "a feast to which many contribute is better than a dinner provided out of a single purse" to mean that just as many may bring different dishes to the table, so in a deliberation many may contribute different pieces of information to generate a better decision. Recent scholarship, however, suggests that this was probably not what Aristotle meant but is a modern interpretation based on what we now know about team intelligence.

The concept (although not so named) originated in 1785 with the [[Marquis de Condorcet]], whose "jury theorem" states that if each member of a voting group is more likely than not to make a correct decision, the probability that the highest vote of the group is the correct decision increases with the number of members of the group (see [[Condorcet's jury theorem]]). Many theorists have interpreted [[Aristotle]]'s statement in the [[Politics]] that "a feast to which many contribute is better than a dinner provided out of a single purse" to mean that just as many may bring different dishes to the table, so in a deliberation many may contribute different pieces of information to generate a better decision. Recent scholarship, however, suggests that this was probably not what Aristotle meant but is a modern interpretation based on what we now know about team intelligence.