The best I could find quickly online. Not really experimental setups though.
Competitiveness, risk taking, and violence: the young male syndrome: http://www.sciencedirect.com/science/article/pii/016230958590041X
hunter gatherer fighting: http://www.jstor.org/discover/10.2307/3317472?uid=3737864&uid=2&uid=4&sid=21103219067527
TESTOSTERONE AND DOMINANCE IN MEN: http://cogprints.org/663/1/bbs_mazur.html
Thanks.
The best I could find quickly online. Not really experimental setups though.
Competitiveness, risk taking, and violence: the young male syndrome: http://www.sciencedirect.com/science/article/pii/016230958590041X
hunter gatherer fighting: http://www.jstor.org/discover/10.2307/3317472?uid=3737864&uid=2&uid=4&sid=21103219067527
TESTOSTERONE AND DOMINANCE IN MEN: http://cogprints.org/663/1/bbs_mazur.html
Thanks.