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Evidence for strategic cooperation in humans
Maxwell N Burton-Chellew1,2, Claire El Mouden3, Stuart A West3,2
1Department of Zoology, University of Oxford, Oxford, Oxfordshire OX1 3PS, UK max.burton-chellew@zoo.ox.ac.uk.
Proceedings. Biological Sciences
|June 9, 2017
Summary
Strategic cooperation in humans is possible when individuals know their behavior is observed. This study found that informing participants about groupmate awareness tripled cooperation levels, demonstrating strategic motives.
Area of Science:
- Behavioral Economics
- Social Psychology
- Game Theory
Background:
- Humans exhibit complex cooperation, sometimes exceeding immediate self-interest.
- Strategic cooperation, where individuals cooperate to influence others, is a key area of study.
Purpose of the Study:
- To experimentally test the hypothesis that humans engage in strategic cooperation.
- To isolate the effect of behavioral observability on cooperation levels.
- To identify and account for non-strategic behavior in cooperation games.
Main Methods:
- Experimental manipulation of information availability regarding individual behavior to groupmates.
- Controlled game environment preventing learning about payoffs or others' behavior during play.
- Analysis distinguishing strategic cooperators from players exhibiting non-strategic behavior.
Main Results:
- Informing individuals that their behavior would be known to groupmates tripled cooperation rates (from 17% to 50%).
- A significant portion of participants behaved in ways that did not align with game understanding, obscuring strategic cooperation detection.
- Identification of non-strategic players enabled more precise analysis of strategic cooperation.
Conclusions:
- Observability of behavior is a critical factor enabling strategic cooperation in humans.
- Non-strategic behavior can mask the detection and study of strategic motives.
- Future research can leverage methods to identify and control for non-strategic play to better understand cooperation dynamics.
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