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Instantaneous systems of communicative conventions through virtual bargaining.

Jennifer Misyak1, Nick Chater1

  • 1Behavioural Science Group, Warwick Business School, University of Warwick, United Kingdom.

Cognition
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Summary

People can rapidly establish new communication systems, not just isolated signal-meaning pairs. These conventions depend on the available alternatives, demonstrating a systematic approach to creating shared meaning.

Keywords:
CommunicationConventionsJoint inferencePragmaticsPreemptionSignaling games

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Area of Science:

  • Cognitive Science
  • Linguistics
  • Behavioral Economics

Background:

  • Human communication relies on shared conventions linking signals to meanings.
  • Established conventions often form systems where meanings contrast with alternatives.
  • Previous theories suggest convention formation involves simulating negotiation outcomes (virtual bargaining).

Purpose of the Study:

  • To investigate whether novel communication systems, not just isolated pairs, can be instantaneously created.
  • To determine if signal-meaning mappings are influenced by the set of available signals and meanings.
  • To test the virtual bargaining account against empirical data on convention formation.

Main Methods:

  • Conducted a novel signaling game experiment with 158 participants.
  • Manipulated the sets of available signals and meanings within the experimental paradigm.
  • Analyzed participants' instantaneously constructed signal-meaning mappings.

Main Results:

  • Participants successfully created novel, systematic conventions instantaneously.
  • Modifying the available signals and meanings systematically altered the resulting signal-meaning mappings.
  • The observed results align with the virtual bargaining framework.

Conclusions:

  • Instantaneous creation of communication systems, not just pairs, is possible.
  • Signal-meaning conventions are context-dependent, influenced by available alternatives.
  • Findings challenge some pragmatic inference models and support virtual bargaining in convention formation.