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原文連結
論文資訊
- 類型：已發表論文
- 日期：2017-03-16
摘要
Crowds can often make better decisions than individuals or small groups of experts by leveraging their ability to aggregate diverse 資訊. Question answering sites, such as Stack Exchange, rely on the "wisdom of crowds" effect to identify the best answers to questions asked by users. We analyze data from 250 communities on the Stack Exchange 網絡 to pinpoint factors affecting which answers are chosen as the best answers. Our results suggest that, rather than evaluate all available answers to a question, users rely on simple 認知 heuristics to choose an answer to vote for or accept. These 認知 heuristics are linked to an answer's salience, such as the order in which it is listed and how much screen space it occupies. While askers appear to depend on heuristics to a greater extent than voters when ch
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