Quantifying Voter Biases in Online Platforms: An Instrumental Variable Approach
Proceedings of the ACM on Human-Computer Interaction, pp. 1202019.
instrumental variables position bias reputation bias social influence bias
In content-based online platforms, use of aggregate user feedback (say, the sum of votes) is commonplace as the "gold standard" for measuring content quality. Use of vote aggregates, however, is at odds with the existing empirical literature, which suggests that voters are susceptible to different biases-reputation (e.g., of the poster), ...More
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