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  Great apes’ risk-taking strategies in a decision making task

Haun, D. B. M., Nawroth, C., & Call, J. (2011). Great apes’ risk-taking strategies in a decision making task. PLoS One, 6(12), e28801. doi:10.1371/journal.pone.0028801.

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Haun_et_al_Great_Apes_Risk_Taking_Strategies_2011_PLoS_One.pdf (Publisher version), 238KB
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© 2011 Haun et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Haun_Suppl_Material_journal.pone.0028801.s001.doc (Supplementary material), 92KB
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 Creators:
Haun, Daniel B. M.1, 2, 3, Author              
Nawroth, Christian4, Author
Call, Joseph4, Author
Affiliations:
1Comparative Cognitive Anthropology, MPI for Psycholinguistics, Max Planck Society, ou_55209              
2Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany, ou_persistent22              
3Department of Psychology, University of Portsmouth, Portsmouth, United Kingdom, ou_persistent22              
4Department for Developmental and Comparative Psychology, Max Planck Institute for Evolutionary Anthropology, Leipzig, Germany, ou_persistent22              

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 Abstract: We investigate decision-making behaviour in all four non-human great ape species. Apes chose between a safe and a risky option across trials of varying expected values. All species chose the safe option more often with decreasing probability of success. While all species were risk-seeking, orangutans and chimpanzees chose the risky option more often than gorillas and bonobos. Hence all four species' preferences were ordered in a manner consistent with normative dictates of expected value, but varied predictably in their willingness to take risks.

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Language(s): eng - English
 Dates: 201120112011
 Publication Status: Published online
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1371/journal.pone.0028801
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Title: PLoS One
Source Genre: Journal
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Publ. Info: San Francisco, CA : Public Library of Sciene
Pages: - Volume / Issue: 6 (12) Sequence Number: - Start / End Page: e28801 Identifier: ISSN: 1932-6203
CoNE: https://pure.mpg.de/cone/journals/resource/1000000000277850