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Tessone, Claudio J.
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Rights / licenseCreative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported
How do humans respond to indirect social influence when making decisions? We analysed an experiment where subjects had to guess the answer to factual questions, having only aggregated information about the answers of others. While the response of humans to aggregated information is a widely observed phenomenon, it has not been investigated quantitatively, in a controlled setting. We found that the adjustment of individual guesses depends linearly on the distance to the mean of all guesses. This is a remarkable, and yet surprisingly simple regularity. It holds across all questions analysed, even though the correct answers differ by several orders of magnitude. Our finding supports the assumption that individual diversity does not affect the response to indirect social influence. We argue that the nature of the response crucially changes with the level of information aggregation. This insight contributes to the empirical foundation of models for collective decisions under social influence Show more
Journal / seriesScientific Reports
Pages / Article No.
PublisherNature Publishing Group
SubjectApplied physics; Biological physics; Psychology and behaviour; Statistical physics, thermodynamics and nonlinear dynamics
Organisational unit03682 - Schweitzer, Frank / Schweitzer, Frank
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