Warfare, sex ratio and polygyny

"A high male mortality in warfare is strongly associated with polygyny" (202)

Test
Test Name	Support	Significance	Coefficient	Tail
Phi coefficient	Supported	p<.005	.63	One-tailed

Variables
Variable Name	Variable Type	OCM Term(s)
Male Mortality In Warfare	Independent	Mortality, Aftermath Of Combat
Polygyny	Dependent	Polygamy

Main Author	Published Year	Hypothesis	Supported	Variables Tested
Ember, Melvin	1974	"There is no significant association between a long postpartum taboo and polygyny in either the high or low male mortality situation . . . when we control for male mortality in warfare" (202)	Supported	3	Cite Related Hypotheses More By Author
Ember, Melvin	1984	Controlling on age at marriage, the presence/absence of male mortality in warfare will be associated with polygyny (13).	Partially supported	3	Cite Related Hypotheses More By Author
Ember, Melvin	2007	In nonstate societies, male mortality in warfare will be positively associated with nonsororal polygyny.	Supported	2	Cite Related Hypotheses More By Author
Ember, Melvin	1984	Controlling on the presence/absence of high male mortality in warfare, delayed age at marriage will be associated with polygyny (11).	Partially supported	3	Cite Related Hypotheses More By Author
Ember, Melvin	1984	Societies where there is at least a seven-year discrepancy in age at marriage or high male mortality in warfare will tend to have polygyny (13).	Supported	3	Cite Related Hypotheses More By Author