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Brief Communications Arising
Nature 440, E6 (6 April 2006) | doi:10.1038/nature04759; Published online 5 April 2006
Animal behaviour: Chimpanzee choice and prosociality (Reply)
Joan B. Silk1, Sarah F. Brosnan2,3, Jennifer Vonk4, Joseph Henrich2, Daniel J. Povinelli5, Amanda S. Richardson3, Susan P. Lambeth3, Jenny Mascaro2 & Steven J. Shapiro3
Abstract
Beninger and Quinsey1 argue that we provide no evidence that chimpanzees show other-regarding preferences in the two-option test situation under conditions in which they would be expected to show such a preference. This criticism is misdirected, because our aim was not to determine whether chimpanzees would demonstrate prosocial preference under any circumstances. Instead, it was to determine whether chimpanzees show pro-social preferences in situations similar to those in which these occur routinely in humans.
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