Resource scarcity drives lethal aggression among prehistoric hunter-gatherers in central California

PNAS Vol/Iss. 113(43) PNAS Published In Pages: 12120-12125
By Allen, Mark W., Bettinger, Robert Lawrence, Codding, Brian F., Jones, Terry L., Schwitalla, Al W.


Rates of lethal aggression covary positively with sociopolitical complexity (12121).


This was tested with two different sociopolitical complexity variables: political leadership and political organization. They are reported below in that order. The same hypothesis was also tested with BFT however the findings were not significant


Test NameSupportSignificanceCoefficientTail
Bivariate generalized additive modelNot Supportedp < .03; p < .008UNKNOWNUNKNOWN