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.
Hypothesis
Rates of lethal aggression (sharp force trauma, SFT) covary negatively with environmental productivity (12120).
Note
Only SFT was significant, the same hypothesis testing for BFT found p = 0.408. See table 1 for a list of all tests.
| Test Name | Support | Significance | Coefficient | Tail |
|---|---|---|---|---|
| Generalized additive model | Supported | p < 0.001 | UNKNOWN | UNKNOWN |
| Variable Name | Variable Type | OCM Term(s) |
|---|---|---|
| Sharp force trauma | Dependent | Ingroup Antagonisms, Instigation Of War, Mortality, Offenses Against Life, Warfare |
| Environmental productivity | Independent | Production And Supply |