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 (sharp force trauma, SFT) covary negatively with environmental productivity (12120).


Only SFT was significant, the same hypothesis testing for BFT found p = 0.408. See table 1 for a list of all tests.


Test NameSupportSignificanceCoefficientTail
Generalized additive modelSupportedp < 0.001UNKNOWNUNKNOWN