The effects of recursive communication dynamics on belief updating.

Proceedings. Biological Sciences
Niccolò Pescetelli, Nick Yeung

Abstract

Many social interactions are characterized by dynamic interplay, such that individuals exert reciprocal influence over each other's behaviours and beliefs. The present study investigated how the dynamics of reciprocal influence affect individual beliefs in a social context, over and above the information communicated in an interaction. To this end, we developed a simple social decision-making paradigm in which two people are asked to make perceptual judgments while receiving information about each other's decisions. In a Static condition, information about the partner only conveyed their initial, independent judgment. However, in a Dynamic condition, each individual saw the evolving belief of their partner as they learnt about and responded to the individual's own judgment. The results indicated that in both conditions, the majority of confidence adjustments were characterized by an abrupt change followed by smaller adjustments around an equilibrium, and that participants' confidence was used to arbitrate conflict (although deviating from Bayesian norm). Crucially, recursive interaction had systematic effects on belief change relative to the static baseline, magnifying confidence change when partners agreed and reducing confide...Continue Reading

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Jul 23, 2020·Proceedings. Biological Sciences·Niccolò Pescetelli, Nick Yeung

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Citations

Jul 23, 2020·Proceedings. Biological Sciences·Niccolò Pescetelli, Nick Yeung
Mar 24, 2021·Cognition·Louise Goupil, Jean-Julien Aucouturier
Jun 21, 2021·Cognition·Niccolò PescetelliNick Yeung

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