Does group size matter? Cheating and cooperation in Brazilian school children☆
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☆ This project was supported by CNPq (#524409/96 to M.E.Y.) and FAPERN (#01.0009-00/2002) grants.
PII: S1090-5138(07)00089-X
doi:10.1016/j.evolhumbehav.2007.09.001
© 2008 Elsevier Inc. All rights reserved.
