Synthese 191 (11):2471-2498 (2014)

Authors
Rasmus K. Rendsvig
University of Copenhagen
Abstract
The goal of the present paper is to construct a formal explication of the pluralistic ignorance explanation of the bystander effect. The social dynamics leading to inaction is presented, decomposed, and modeled using dynamic epistemic logic augmented with ‘transition rules’ able to characterize agent behavior. Three agent types are defined: First Responders who intervene given belief of accident; City Dwellers, capturing ‘apathetic urban residents’ and Hesitators, who observe others when in doubt, basing subsequent decision on social proof. It is shown how groups of the latter may end in a state of pluralistic ignorance leading to inaction. Sequential models for each agent type are specified, and their results compared to empirical studies. It is concluded that only the Hesitator model produces reasonable results.
Keywords Bystander effect  Pluralistic ignorance  Social dynamics  Social proof  Social influence  Dynamic epistemic logic  Social Epistemology
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DOI 10.1007/s11229-014-0435-0
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References found in this work BETA

Modal Logic.Patrick Blackburn, Maarten de Rijke & Yde Venema - 2001 - Studia Logica 76 (1):142-148.
Dynamic Logic for Belief Revision.Johan van Benthem - 2007 - Journal of Applied Non-Classical Logics 17 (2):129-155.

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Citations of this work BETA

The Logic of Observation and Belief Revision in Scientific Communities.Hanna Sofie van Lee & Sonja Smets - 2020 - Journal for General Philosophy of Science / Zeitschrift für Allgemeine Wissenschaftstheorie 51 (2):243-266.
Reflecting on Social Influence in Networks.Zoé Christoff, Jens Ulrik Hansen & Carlo Proietti - 2014 - Journal of Logic, Language and Information 25 (3-4):299-333.

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