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Honest smiles as a costly signal in social exchange

机译:诚实的微笑是社交交流中昂贵的信号

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摘要

Smiling can be interpreted as a costly signal of future benefits from cooperation between the individual smiling and the individual to whom the smile is directed. The target article by Niedenthal et al. gives little attention to the possible mechanisms by which smiling may have evolved. In our view, there are strong reasons to think that smiling has the key characteristics of a costly signal.
机译:微笑可以解释为个体微笑与微笑所针对的个人之间合作的未来收益的昂贵信号。 Niedenthal等人的目标文章。很少关注微笑可能演变成的可能机制。我们认为,有充分的理由认为微笑具有昂贵信号的关键特征。

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