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Smiles when sharing

Abstract:

One of the proposed functions of human smiling is to 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 because they are not easy to produce voluntarily. In this study, 60 people were covertly filmed while interacting with a friend in two conditions: control and sharing. Smiles were classified into Duchenn...

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Authors


Grammer, K More by this author
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Institution:
University of Oxford
Department:
Oxford, MSD, Experimental Psychology
Journal:
Evolution and Human Behavior
Volume:
28
Issue:
6
Pages:
415-422
Publication date:
2007-11-05
DOI:
ISSN:
1090-5138
URN:
uuid:7b582dfb-6de8-425b-b4f7-749bd916de00
Source identifiers:
288730
Local pid:
pubs:288730

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