The evolution of war:  a cross-cultural study

"The higher the level of political centralization, the more likely that war will be initiated by announcement or by mutual arrangement" (34)

Test
Test Name	Support	Significance	Coefficient	Tail
Phi coefficient	Supported	p<.10	.29	Two-tailed

Variables
Variable Name	Variable Type	OCM Term(s)
Centralization Of Political System	`UNKNOWN`	Territorial Hierarchy
War Initiated By Announcement Or Mutual Arrangement	`UNKNOWN`	Instigation Of War

Main Author	Published Year	Hypothesis	Supported	Variables Tested
Otterbein, Keith F.	1970	"When war is initiated by a responsible party of the political community, it is likely that war will be initiated by announcement or by mutual agreement" (34)	Supported	2	Cite Related Hypotheses More By Author
Otterbein, Keith F.	1970	"Political communities which terminate war by diplomatic negotiations are likely to initiate war by announcement or mutual arrangement" (39)	Not Supported	2	Cite Related Hypotheses More By Author
Otterbein, Keith F.	1970	"The higher the level of political centralization, the less likely that war can be initiated by any member of the political community" (29)	Supported	2	Cite Related Hypotheses More By Author
Otterbein, Keith F.	1968	". . . the higher the level of political complexity, the less the likelihood of war being initiated by anyone in the political community" (282)	Supported	2	Cite Related Hypotheses More By Author
Otterbein, Keith F.	1968	". . . uncentralized political systems are more likely to have war initiated by anyone rather than by an official of the political community if fraternal interest groups are present" (282)	Supported	3	Cite Related Hypotheses More By Author