Data from: How chimpanzees solve collective action problems

Anna-Claire Schneider, Alicia P. Melis & Michael Tomasello
We presented small groups of chimpanzees with two collective action situations, in which action was necessary for reward but there was a disincentive for individuals to act due to the possibility of free-riding on the efforts of others. We found that in simpler scenarios (Experiment 1) in which group size was small, there was a positive relationship between rank and action with more dominant individuals volunteering to act more often, particularly when the reward was...
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