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Abstract
The snowdrift game is a model for studying social coordination in the
context of competing interests. We presented pairs of chimpanzees, Pan troglodytes,
with a situation in which they could either pull a weighted tray
together or pull alone to obtain food. Ultimately chimpanzees should
coordinate their actions because if no one pulled, they would both lose
the reward. There were two experimental manipulations: the tray's weight
(low or high weight condition) and the time to solve the dilemma before
the rewards became inaccessible (40 s or 10 s). When the costs were
high (i.e. high weight condition), chimpanzees waited longer to act.
Cooperation tended to increase in frequency across sessions. The pulling
effort invested in the task also became more skewed between subjects.
The subjects also adjusted their behaviour by changing their pulling
effort for different partners. These results demonstrate that
chimpanzees can coordinate their actions in situations where there is a
conflict of interest.
Original language | English |
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Pages (from-to) | 61-74 |
Number of pages | 14 |
Journal | Animal Behaviour |
Volume | 116 |
Early online date | 23 Apr 2016 |
DOIs | |
Publication status | Published - Jun 2016 |
Keywords
- Chimpanzees
- Conflict
- Cooperation
- Coordination
- Decision-making
- Snowdrift game
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Dive into the research topics of 'Chimpanzees coordinate in a snowdrift game'. Together they form a unique fingerprint.Projects
- 1 Finished
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Josep Call: Constructing Social Minds: Coordination, Communication and Cultural Transmission
Call, J. (PI)
1/01/15 → 31/12/20
Project: Standard