Publikation:

Uninformed Individuals Promote Democratic Consensus in Animal Groups

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Couzin_0-388247.pdf
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Datum

2011

Autor:innen

Ioannou, Christos C.
Demirel, Güven
Gross, Thilo
Torney, Colin J.
Hartnett, Andrew
Conradt, Larissa
Levin, Simon A.
Leonard, Naomi E.

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http://nbn-resolving.de/urn:nbn:de:bsz:352-0-388247
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https://doi.org/10.1126/science.1210280
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Science. 2011, 334(6062), pp. 1578-1580. ISSN 0036-8075. eISSN 1095-9203. Available under: doi: 10.1126/science.1210280

Zusammenfassung

Conflicting interests among group members are common when making collective decisions, yet failure to achieve consensus can be costly. Under these circumstances individuals may be susceptible to manipulation by a strongly opinionated, or extremist, minority. It has previously been argued, for humans and animals, that social groups containing individuals who are uninformed, or exhibit weak preferences, are particularly vulnerable to such manipulative agents. Here, we use theory and experiment to demonstrate that, for a wide range of conditions, a strongly opinionated minority can dictate group choice, but the presence of uninformed individuals spontaneously inhibits this process, returning control to the numerical majority. Our results emphasize the role of uninformed individuals in achieving democratic consensus amid internal group conflict and informational constraints.

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570 Biowissenschaften, Biologie

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ISO 690COUZIN, Iain D., Christos C. IOANNOU, Güven DEMIREL, Thilo GROSS, Colin J. TORNEY, Andrew HARTNETT, Larissa CONRADT, Simon A. LEVIN, Naomi E. LEONARD, 2011. Uninformed Individuals Promote Democratic Consensus in Animal Groups. In: Science. 2011, 334(6062), pp. 1578-1580. ISSN 0036-8075. eISSN 1095-9203. Available under: doi: 10.1126/science.1210280
BibTex
@article{Couzin2011-12-16Uninf-37526,
  year={2011},
  doi={10.1126/science.1210280},
  title={Uninformed Individuals Promote Democratic Consensus in Animal Groups},
  number={6062},
  volume={334},
  issn={0036-8075},
  journal={Science},
  pages={1578--1580},
  author={Couzin, Iain D. and Ioannou, Christos C. and Demirel, Güven and Gross, Thilo and Torney, Colin J. and Hartnett, Andrew and Conradt, Larissa and Levin, Simon A. and Leonard, Naomi E.}
}
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