Slavery as a system of production in tribal society

"A situation of open resources is a factor contributing towards the occurrence of slavery" (107)

Test
Test Name	Support	Significance	Coefficient	Tail
Comparison of raw scores	Supported	Not Applicable	`UNKNOWN`	`UNKNOWN`

Variables
Variable Name	Variable Type	OCM Term(s)
Open Resources	Independent	Land Use
Slavery	Dependent	Slavery

Main Author	Published Year	Hypothesis	Supported	Variables Tested
Pryor, Frederic L.	1977	The presence of slavery is correlated to the occurrence of "open resources" (247).	Not Supported	2	Cite Related Hypotheses More By Author
Nieboer, H. J.	1900	"Slavery as an industrial system only exists where there is still free land . . . and where subsistence is [not] dependent upon capital. . . . Only among people with open resources can slavery and serfdom exist" (387, 389)	Supported	3	Cite Related Hypotheses More By Author
Hrnčíř, Václav	2017	There will be a positive association between slavery and metalworking	Supported	2	Cite Related Hypotheses More By Author
Hrnčíř, Václav	2017	There will be an association between slavery and a higher resource base	Supported	2	Cite Related Hypotheses More By Author
Hrnčíř, Václav	2017	Slavery will be associated with lower permeability of communities (a measure of more warfare) among nonpastoralist societies	Supported	2	Cite Related Hypotheses More By Author