Evidence map›Paper›PMID 26787890›Full record

ArticleProceedings of the National Academy of Sciences of the United States of America2016

Conditional cooperation and confusion in public-goods experiments.

Maxwell N Burton-Chellew, Claire El Mouden, Stuart A West

Abstract read
In one paragraph

Article in Proceedings of the National Academy of Sciences of the United States of America, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers.

0numbers the graph read from it
0cells of the map it votes in
37citing 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

37 citing papers in PubMed.

  1. Trial
  2. The private solution trap in collective action problems across 34 nations.Proceedings of the National Academy of Sciences of the United States of America · 2026
    Article
  3. Social Preferences Toward Humans and Machines: A Systematic Experiment on the Role of Machine Payoffs.Perspectives on psychological science : a journal of the Association for Psychological Science · 2025
    Article
  4. Beyond a binary theorizing of prosociality.Proceedings of the National Academy of Sciences of the United States of America · 2024
    Article
  5. Insufficient evidence to conclude that confusion cannot explain cooperative behavior.Proceedings of the National Academy of Sciences of the United States of America · 2024
    Article
  6. Article
  7. Confusion remains an important issue in public goods game experiments.Proceedings of the National Academy of Sciences of the United States of America · 2024
    Article
  8. Confusion cannot explain cooperative behavior in public goods games.Proceedings of the National Academy of Sciences of the United States of America · 2024
    Article
  9. Article
  10. Modelling the role of environmental circumscription in the evolution of inequality.Philosophical transactions of the Royal Society of London. Series B, Biological sciences · 2023
    Article
  11. Article
  12. The restart effect in social dilemmas shows humans are self-interested not altruistic.Proceedings of the National Academy of Sciences of the United States of America · 2022
    Article
  13. Article
  14. Article
  15. Article
  16. Article
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  18. 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

3 authors.

Maxwell N Burton-ChellewDepartment of Zoology, University of Oxford, Oxford OX1 3PS, United Kingdom; Calleva Research Centre for Evolution and Human Sciences, Magdalen College, Oxford OX1 4AU, United Kingdom; Sociology Group, Nuffield College, Oxford OX1 1NF, United Kingdom.
Claire El MoudenDepartment of Zoology, University of Oxford, Oxford OX1 3PS, United Kingdom; Sociology Group, Nuffield College, Oxford OX1 1NF, United Kingdom.
Stuart A WestDepartment of Zoology, University of Oxford, Oxford OX1 3PS, United Kingdom; Calleva Research Centre for Evolution and Human Sciences, Magdalen College, Oxford OX1 4AU, United Kingdom; stuart.west@zoo.ox.ac.uk.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Economic experiments are often used to study if humans altruistically value the welfare of others. A canonical result from public-good games is that humans vary in how they value the welfare of others, dividing into fair-minded conditional cooperators, who match the cooperation of others, and selfish noncooperators. However, an alternative explanation for the data are that individuals vary in their understanding of how to maximize income, with misunderstanding leading to the appearance of cooperation. We show that (i) individuals divide into the same behavioral types when playing with computers, whom they cannot be concerned with the welfare of; (ii) behavior across games with computers and humans is correlated and can be explained by variation in understanding of how to maximize income; (iii) misunderstanding correlates with higher levels of cooperation; and (iv) standard control questions do not guarantee understanding. These results cast doubt on certain experimental methods and demonstrate that a common assumption in behavioral economics experiments, that choices reveal motivations, will not necessarily hold.

Indexed as

AltruismCooperative BehaviorHumansInterpersonal Relationsaltruisminequity aversionreciprocitysocial preferencesstrategy method

Identifiers

PMID26787890
PMCPMC4747742

What OpenQuestion holds

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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.