Smiles when sharing

One of the proposed functions of human smiling is the advertise cooperative dispositions and thereby increase the likelihood that a social partner would invest resources in a relationship. In particular, smiles involving an emotional component would be honest signals of altruistic dispositions becau...

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Bibliographic Details
Main Authors: Mehu, M, Grammer, K, Dunbar, R
Format: Journal article
Language:English
Published: Elsevier 2007
Subjects: