Farming and Fighting: An Empirical Analysis of the Ecological-Evolutionary Theory of the Incidence of Warfare

The amount of jurisdictional hierarchy in a local community will be negatively associated with the frequency of external warfare

Test
Test Name	Support	Significance	Coefficient	Tail
Multiple regression	Supported	p=0.003	-0.18	`UNKNOWN`

Variables
Variable Name	Variable Type	OCM Term(s)
Frequency Of External Warfare	Dependent variable	External Relations, Instigation Of War
Jurisdictional hierarchy of local community	Independent variable	Community Structure, Community Heads

Main Author	Published Year	Hypothesis	Supported	Variables Tested
Blumberg, Rae Lesser	1972	"We find a curvilinear relationship . . . between familial complexity and each of the four aspects of . . . societal complexity . . . mean size of local community, permanence of settlement, stratification, and . . . levels of jurisdictional hierarchy" (907, 908, 909)	Supported	5	Cite Related Hypotheses More By Author
Johnson, Dominic D.P.	2005	In a multiple regression model, presence of high gods will be positively associated with money and credit, credit source, community size, jurisdictional hierarchy beyond the local community, and sanctions (426).	Supported	6	Cite Related Hypotheses More By Author
Bourguignon, Erika	1976	Possession-trance belief will be associated with jurisdictional hierarchy beyond the local level; possession-belief-only will not (43).	Supported	2	Cite Related Hypotheses More By Author
Divale, William Tulio	1974	"Frequent external warfare should be correlated with a higher degree of male exogamy than when external warfare is infrequent" (304)	Supported	2	Cite Related Hypotheses More By Author
Zern, David	1976	"Societies where a nurturant presence was constantly present . . . were more likely to have the simplest local jurisdictional hierarchy" (7)	Supported	2	Cite Related Hypotheses More By Author