Psychological Science (2012) - Comment
pubmed: 22810166  doi: 10.1177/0956797612437606  issn: 1467-9280  issn: 0956-7976 

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Gretchen B. Chapman, Meng Li, Jeffrey Vietri, Yoko Ibuka, David Thomas, Haewon Yoon, Alison P. Galvani