Evidence map›Paper›PMID 33627415›Full record

ArticleScience advances2021

Chimpanzees behave prosocially in a group-specific manner.

Edwin J C van Leeuwen, Sarah E DeTroy, Stephan P Kaufhold, Clara Dubois, Sebastian Schütte, Josep Call, Daniel B M Haun

Abstract read
In one paragraph

Article in Science advances, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

18 citing papers in PubMed.

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  10. Group-level signatures in bonobo sociality.Evolutionary human sciences · 2024
    Article
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  13. Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

7 authors.

Edwin J C van LeeuwenUniversity of St Andrews, Westburn Lane, KY16 9JP St Andrews, Scotland. ejcvanleeuwen@gmail.com.ORCID 0000-0002-7729-2182
Sarah E DeTroyMax Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103 Leipzig, Germany.ORCID 0000-0002-2894-7787
Stephan P KaufholdDepartment of Cognitive Science, University of California, San Diego, 9500 Gilman Drive, La Jolla, San Diego, CA 92093, USA.ORCID 0000-0001-6316-4334
Clara DuboisLeipzig Research Centre for Early Child Development & Department for Early Child Development and Culture, Faculty of Education, Leipzig University, Jahnallee 59 04109, Germany.
Sebastian SchütteDepartment of Cognitive Science, University of California, San Diego, 9500 Gilman Drive, La Jolla, San Diego, CA 92093, USA.ORCID 0000-0001-6365-6988
Josep CallUniversity of St Andrews, Westburn Lane, KY16 9JP St Andrews, Scotland.ORCID 0000-0002-8597-8336
Daniel B M HaunMax Planck Institute for Evolutionary Anthropology, Deutscher Platz 6, 04103 Leipzig, Germany.ORCID 0000-0002-3262-645X

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Chimpanzees act cooperatively in the wild, but whether they afford benefits to others, and whether their tendency to act prosocially varies across communities, is unclear. Here, we show that chimpanzees from neighboring communities provide valuable resources to group members at personal cost, and that the magnitude of their prosocial behavior is group specific. Provided with a resource-donation experiment allowing free (partner) choice, we observed an increase in prosocial acts across the study period in most of the chimpanzees. When group members could profit (test condition), chimpanzees provided resources more frequently and for longer durations than when their acts produced inaccessible resources (control condition). Strikingly, chimpanzees' prosocial behavior was group specific, with more socially tolerant groups acting more prosocially. We conclude that chimpanzees may purposely behave prosocially toward group members, and that the notion of group-specific sociality in nonhuman animals should crucially inform discussions on the evolution of prosocial behavior.

Identifiers

PMID33627415
PMCPMC7904267

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.