Cooperation is related to dispersal patterns in Sino-Tibetan populations.

Nat Commun · 2015 · PMC4667691 · PMID 26478534

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marginally significantno p-value reported

Men are more cooperative than women in all games; significantly so for public goods contribution and resource taken in the RDG, and marginally significant for dictator giving.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.