Hindcasting global population densities reveals forces enabling the origin of agriculture

Agriculture arose as environmental conditions improved and population densities increased

Researchers hindcasted population trends across 12 societies and compared to estimated time of domestication

Test
Test Name	Support	Significance	Coefficient	Tail
Generalized additive models	Supported	N/A	N/A	N/A

Variables
Variable Name	Variable Type	OCM Term(s)
Population Density	Independent	Population
Domestication	Dependent	Domesticated Animals, Tillage

Main Author	Published Year	Hypothesis	Supported	Variables Tested
Kavanagh, Patrick H.	2018	Factors promoting agriculture were distinct in each location	Not Supported	1	Cite Related Hypotheses More By Author
Kavanagh, Patrick H.	2018	Agriculture arose out of necessity as environmental conditions deteriorated	Not Supported	2	Cite Related Hypotheses More By Author
Baker, Matthew	2008	Societies that practice agriculture will be more technologically advanced, have greater population densities, operate in environments that are richer and more amenable to agriculture, and will be closer to the Fertile Crescent and/or another original hearth of agriculture (267).	Supported	5	Cite Related Hypotheses More By Author
Ember, Carol R.	1974	". . . among unilineal societies with internal warfare, those with higher densities would be more likely to have lineages than those with low densities" (82)	Supported	4	Cite Related Hypotheses More By Author
Pryor, Frederic L.	1986	Population density will be positively associated with the adoption of agriculture (883-6).	Supported	2	Cite Related Hypotheses More By Author