On the origin and extension of the incest taboo

First cousin marriage is more common in middle-sized societies undergoing depopulation.

This hypothesis seeks to explain possible exceptions to hypotheses 3 and 4, and uses two random samples of 15 societies in order to do so.

Test
Test Name	Support	Significance	Coefficient	Tail
Fisher's Exact Test	Supported	p<.01	.75; .84	One tailed

Variables
Variable Name	Variable Type	OCM Term(s)
Depopulation	Independent	Disasters
Population Of Society	Independent	Population
Prohibition Of First Cousin Marriage	Dependent	Regulation Of Marriage

Main Author	Published Year	Hypothesis	Supported	Variables Tested
Kobben, A. J. F.	1974	". . . Hawaiian systems . . . [will prohibit first and second] cross-cousin marriage" (218-219)	Supported	2	Cite Related Hypotheses More By Author
Ember, Melvin	1975	Childhood familiarity theory predicts that the more community endogamy, the more likely the prohibition of first-cousin marriage.	Not Supported	2	Cite Related Hypotheses More By Author
Ember, Melvin	1975	Childhood familiarity theory predicts that small locally endogamous communities are more likely to prohibit first cousin marriage than large locally endogamous communities.	Not Supported	2	Cite Related Hypotheses More By Author
Ember, Melvin	1975	Inbreeding theory suggests that societies with smaller average communities are less likely to permit cousin marriage than societies with larger average communities.	Supported	2	Cite Related Hypotheses More By Author
Ember, Melvin	1975	Inbreeding theory suggests that less politically integrated communities are less likely to permit first cousin marriage than more politically integrated communities.	Supported	2	Cite Related Hypotheses More By Author