Evolutionary ecology of human pair-bonds: cross-cultural tests of alternative hypotheses

Pair-bond stability will be positively associated with polygyny (153).

Polygyny was not a significant predictor of divorce when entered in a model with male contribution to subsistence.

Test
Test Name	Support	Significance	Coefficient	Tail
Multiple regression	Partially supported	p<.05	`UNKNOWN`	`UNKNOWN`

Variables
Variable Name	Variable Type	OCM Term(s)
Pair-bond Stability	Dependent	Termination Of Marriage
Polygyny	Independent	Polygamy

Main Author	Published Year	Hypothesis	Supported	Variables Tested
Ellsworth, Ryan M.	2015	Pair-bond instability (proxy measure being higher incidence of maternal half siblings) will be greater among partible paternity societies. (3)	Not Supported	2	Cite Related Hypotheses More By Author
Quinlan, Robert J.	2007	Pair-bond stability will be positively associated with importance of male provisioning (153).	Partially supported	2	Cite Related Hypotheses More By Author
Quinlan, Robert J.	2007	Pair-bond stability will be positively associated with males’ aggression (153).	Not Supported	2	Cite Related Hypotheses More By Author
Ellsworth, Ryan M.	2015	Partible paternal societies will have higher fractions of paternal half-siblings than singular paternity societies. (3)	Supported	2	Cite Related Hypotheses More By Author
Ellsworth, Ryan M.	2015	Pair-bond instability (proxy measure being higher incidence of maternal half siblings) will be greater where male contribution to subsistence is lower. (2)	Not Supported	2	Cite Related Hypotheses More By Author