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Link updating strategies influence consensus decisions as a function of the direction of communication

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2023

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Kunjar, Sharaj
Sarkar, Sumantra
Jolly, Mohit Kumar

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Royal Society Open Science. The Royal Society. 2023, 10(6), 230215. eISSN 2054-5703. Available under: doi: 10.1098/rsos.230215

Zusammenfassung

Consensus decision-making in social groups strongly depends on communication links that determine to whom individuals send, and from whom they receive, information. Here, we ask how consensus decisions are affected by strategic updating of links and how this effect varies with the direction of communication. We quantified the coevolution of link and opinion dynamics in a large population with binary opinions using mean-field numerical simulations of two voter-like models of opinion dynamics: an incoming model (IM) (where individuals choose who to receive opinions from) and an outgoing model (OM) (where individuals choose who to send opinions to). We show that individuals can bias group-level outcomes in their favour by breaking disagreeing links while receiving opinions (IM) and retaining disagreeing links while sending opinions (OM). Importantly, these biases can help the population avoid stalemates and achieve consensus. However, the role of disagreement avoidance is diluted in the presence of strong preferences—highly stubborn individuals can shape decisions to favour their preferences, giving rise to non-consensus outcomes. We conclude that collectively changing communication structures can bias consensus decisions, as a function of the strength of preferences and the direction of communication.

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570 Biowissenschaften, Biologie

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Multidisciplinary

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ISO 690KUNJAR, Sharaj, Ariana STRANDBURG-PESHKIN, Helge GIESE, Pranav MINASANDRA MADHAVARANGA, Sumantra SARKAR, Mohit Kumar JOLLY, Nico GRADWOHL, 2023. Link updating strategies influence consensus decisions as a function of the direction of communication. In: Royal Society Open Science. The Royal Society. 2023, 10(6), 230215. eISSN 2054-5703. Available under: doi: 10.1098/rsos.230215
BibTex
@article{Kunjar2023-06updat-67624,
  year={2023},
  doi={10.1098/rsos.230215},
  title={Link updating strategies influence consensus decisions as a function of the direction of communication},
  number={6},
  volume={10},
  journal={Royal Society Open Science},
  author={Kunjar, Sharaj and Strandburg-Peshkin, Ariana and Giese, Helge and Minasandra Madhavaranga, Pranav and Sarkar, Sumantra and Jolly, Mohit Kumar and Gradwohl, Nico},
  note={Article Number: 230215}
}
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