Published online by Cambridge University Press: 09 March 2016
The cultural group selection (CGS) approach provides a compelling explanation for recent changes in human societies, but has trouble explaining why our ancestors, rather than any other great ape, evolved into a hyper-cooperative niche. The cooperative breeding hypothesis can plug this gap and thus complement CGS, because recent comparative evidence suggests that it promoted proactive prosociality, social transmission, and communication in Pleistocene hominins.
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Target article
Cultural group selection plays an essential role in explaining human cooperation: A sketch of the evidence
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Author response
Cultural group selection follows Darwin's classic syllogism for the operation of selection