Comparative study of reproductive skew and pair-bond stability using genealogies from 80 small-scale human societies

Male reproductive skew (proxy measure being incidence of paternal half-siblings) will be higher in societies at lower latitudes. (2)

Test
Test Name	Support	Significance	Coefficient	Tail
Correlation	Supported	p<.01	-.38	`UNKNOWN`

Variables
Variable Name	Variable Type	OCM Term(s)
Absolute Latitude	`UNKNOWN`	Location
Paternal Sibling Fraction	`UNKNOWN`	Family Relationships

Main Author	Published Year	Hypothesis	Supported	Variables Tested
Ellsworth, Ryan M.	2015	Male reproductive skew (proxy measure being incidence of paternal half-siblings) will be highest in horticultural societies in comparison to other subsistence modes. (2)	Partially 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
Gaulin, Steven J.C.	1980	Agricultural societies will have higher paternal certainty than hunter-gatherer societies (230).	Not 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 among partible paternity societies. (3)	Not 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