Three stages in the evolution of slavery in precivilized societies

Greater socioeconomic development will be positively associated with better conditions of life and freedoms for slaves (114, 116).

Test
Test Name	Support	Significance	Coefficient	Tail
Mann-Whitney U-Test	Marginally supported	p<.10	`UNKNOWN`	`UNKNOWN`

Variables
Variable Name	Variable Type	OCM Term(s)
Living Conditions For Slaves	Dependent	Slavery
Socioeconomic Development	Independent	Gender Status

Main Author	Published Year	Hypothesis	Supported	Variables Tested
Bowden, Edgar	1973	Greater socioeconomic development will be positively associated with recruiting slaves from within the society (rather than externally) (114, 116).	Supported	2	Cite Related Hypotheses More By Author
Ember, Melvin	1971	". . . conditions that enhance the status of males are polygyny, moveable property such as herds or slaves or money, multilocal political integration, and warfare . . . [and] each . . . should predict male localization" (576)	Supported	6	Cite Related Hypotheses More By Author
Winkelman, Michael James	1986	"Trance states, labeled as soul journeys, were present for almost all of the Shamans"(30)	NA	0	Cite Related Hypotheses More By Author
Winkelman, Michael James	1986	"If a Shaman is present, there are generally no other practitioner types present". (34)	Supported	0	Cite Related Hypotheses More By Author
Abrahamson, Mark	1969	"Political complexity is directly related to the degree of social differentiation . . . demographic complexity . . . and socioeconomic development" (691, 692, 693)	Supported	4	Cite Related Hypotheses More By Author