The evolution of war:  a cross-cultural study

"The higher the level of political centralization, the more likely that the tactical system will be based upon both lines and ambushes" (41)

Test
Test Name	Support	Significance	Coefficient	Tail
Phi coefficient	Supported	p<.10	.26	Two-tailed

Variables
Variable Name	Variable Type	OCM Term(s)
Centralization Of Political System	`UNKNOWN`	Community Structure
Lines And Ambushes In Warfare	`UNKNOWN`	Tactics

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 the tactical system will be based upon both lines and ambushes" (41)	Supported	2	Cite Related Hypotheses More By Author
Otterbein, Keith F.	1970	"The higher the level of political centralization, the more likely that the military organization is composed of professionals" (22)	Supported	2	Cite Related Hypotheses More By Author
Otterbein, Keith F.	1970	"The higher the level of political centralization, the more likely that shock weapons are used" (46)	Supported	2	Cite Related Hypotheses More By Author
Otterbein, Keith F.	1970	"The higher the level of political centralization, the more likely that body armor is used" (49)	Supported	2	Cite Related Hypotheses More By Author
Otterbein, Keith F.	1970	"The higher the level of political centralization, the more likely that cavalry is used" (55)	Not Supported	2	Cite Related Hypotheses More By Author