Slavery as a system of production in tribal society

"Social stratification amongst the free members of the community is a prerequisite for the occurrence of slavery" (100)

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

Variables
Variable Name	Variable Type	OCM Term(s)
Slavery	Dependent	Slavery
Social Stratification	Independent	Social Stratification

Main Author	Published Year	Hypothesis	Supported	Variables Tested
Driver, Harold E.	1967	"[In factor analysis of Murdock's WES, for the factor called social stratification variables loading heavily are] absence of social stratification, absence of slavery and autonomous communities under 1,500 persons" (335)	Supported	4	Cite Related Hypotheses More By Author
Aberle, David F.	1961	". . . high stratification of freeman is associated with hereditary slavery, and low stratification with the absence of slavery" (694)	Supported	2	Cite Related Hypotheses More By Author
Udy, Stanley H., Jr.	1962	Rational organization is negatively associated with hereditary stratification, hereditary political succession, slavery, and centralized government (306)	Supported	5	Cite Related Hypotheses More By Author
Hrnčíř, Václav	2017	Slavery will be related to metalworking, polygyny, warfare, and stratification even when the variables are considered together	Supported	5	Cite Related Hypotheses More By Author
Bacon, Margaret K.	1965	"A high frequency of ceremonial drinking tends to occur in societies with a higher level of political integration and social stratification, a more densely populated settlement pattern and slavery" (40)	Supported	5	Cite Related Hypotheses More By Author