The relative decline in women’s contributions to agriculture with intensification

Less contraceptive use will be positively associated with decreases in fertility (294)

Test
Test Name	Support	Significance	Coefficient	Tail
Fisher’s exact test	Supported	p=0.024	phi=0.46	One-tailed

Variables
Variable Name	Variable Type	OCM Term(s)
Contraceptive Use, Less	Independent	Conception
Fertility, Low	Dependent	Birth Statistics

Main Author	Published Year	Hypothesis	Supported	Variables Tested
Alesina, Alberto	2011	Historic plough use will be positively associated with fertility rate (499).	Not Supported	2	Cite Related Hypotheses More By Author
Alesina, Alberto	2011	Historic plough use will be negatively associated with preference for fertility (502).	Supported	2	Cite Related Hypotheses More By Author
Nag, Moni	1962	"The data do not support the hypothesis that there is a negative association between the use of contraceptive devices and fertility level in nonindustrial societies" (134)	Not Supported	2	Cite Related Hypotheses More By Author
Barber, Nigel	2004	The sex ratio should be higher in countries where contraception is widely practiced.	Supported	2	Cite Related Hypotheses More By Author
Hamilton, Marcus J.	2007	Aquatic foragers will have less space per person than hunters and gatherers.	Partially Supported	2	Cite Related Hypotheses More By Author