Recommended Citation
Postprint version. Published in Human Nature, Volume 21, Issue 2, January 1, 2010, pages 99-102.
Copyright © 2010 Springer Science & Business Media, LLC.
The definitive version is available at http://dx.doi.org/10.1007/s12110-010-9083-3.
Disciplines
Social and Behavioral Sciences
URL: http://digitalcommons.calpoly.edu/ssci_fac/69