Marital structure and economic systems

Presence of plow animals will be negatively associated with polygyny (p. 705).

Test
Test Name	Support	Significance	Coefficient	Tail
Gamma	Supported	`UNKNOWN`	G = -.678	`UNKNOWN`

Variables
Variable Name	Variable Type	OCM Term(s)
Polygyny	Dependent	Polygamy
Presence Of Plow Animals	Independent	Agricultural Machinery

Main Author	Published Year	Hypothesis	Supported	Variables Tested
Burton, Michael L.	1981	Controlling for the presence of the plow, there will be a relationship between degree of polygyny and female participation in crop-tending (280, 289).	Not Supported	3	Cite Related Hypotheses More By Author
White, Douglas R.	1988	Constraints on expansion into new lands will be negatively associated with polygyny (p. 875-6).	Supported	3	Cite Related Hypotheses More By Author
Korotayev, Andrey V.	2016	Plow agriculture will be negatively associated with presence of polygyny (265).	Supported	2	Cite Related Hypotheses More By Author
Pryor, Frederic L.	1985	The presence of the plow will be negatively associated with longer fallowing frequencies and the type of staple food (plow-negative or plow-positive) (737-8).	Supported	3	Cite Related Hypotheses More By Author
Ember, Melvin	2007	When controlling for pathogen stress and male mortality in war, the absence of the plow will be positively associated with nonsororal polygyny	Supported	2	Cite Related Hypotheses More By Author