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by tedsanders
3649 days ago
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No, that's incorrect in two ways. First, you must also assume that the individual opinions are independent. Second, the 0.5 probability threshold is only correct for binary situations; in real life where they may be a range of opinions, the threshold is much lower. |
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The study from the article did focus on binary situations. From the article:
> Where previous research on collective intelligence deals mainly with decisions of ‘how much’ or ‘how many,’ the current study applies to ‘this or that’ decisions under a majority vote.