Evolution & Human Behavior
Volume 33, Issue 1 , Pages 17-25, January 2012

The role of tracking and tolerance in relationship among friends☆

Received 29 January 2011; accepted 18 April 2011. published online 21 July 2011.

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☆ This project was supported by a grant to M.X. from the China-America Academia Exchange Program (1127 Foundation) and the Department of Anthropology, UCLA, and a grant to J.B.S. from the Department of Anthropology, UCLA.

PII: S1090-5138(11)00043-2

doi:10.1016/j.evolhumbehav.2011.04.004

Evolution & Human Behavior
Volume 33, Issue 1 , Pages 17-25, January 2012

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