A global analysis of cultural tightness in non-industrial societies

Population pressure will be positively associated with cultural tightness

2 tests: Nested in society, nested in society and language family

Test
Test Name	Support	Significance	Coefficient	Tail
Multilevel regression	Supported	p=0.01, p=0.04	B=0.25, B=0.20	`UNKNOWN`

Variables
Variable Name	Variable Type	OCM Term(s)
Cultural Tightness	Dependent	`NONE`
Population Pressure	Independent	`NONE`

Main Author	Published Year	Hypothesis	Supported	Variables Tested
Keeley, Lawrence H.	1988	Population pressure will be positively associated with socioeconomic complexity in hunter-gatherer groups (376).	Supported	2	Cite Related Hypotheses More By Author
Winkelman, Michael James	1998	Population density, population pressure, internal and external war for land and resources, and a low hierarchical focus of religion will be positively associated with human sacrifice (285, 294).	Supported	5	Cite Related Hypotheses More By Author
Romanoff, Steven	1992	"Cassava reliance, relative to other crops (contribution to the diet and occupation of the land), should increase with population pressure (density adjusted for length of dry season) on agricultural resources)" (p.100).	Not Supported	3	Cite Related Hypotheses More By Author
Nolan, Patrick D.	2003	Population pressure, indicated by above-median population density for a given subsistence type, will be positively associated with warfare (27).	Partially supported	2	Cite Related Hypotheses More By Author
Romanoff, Steven	1992	Societies in the cassava belt of Africa with landholding kinship groups will rely more on cassava than other societies. Proximity to market towns (or transportation) and population pressure will favor the market economy and are inimical to the continuing existence of such societal characteristics (p.102).	Supported	6	Cite Related Hypotheses More By Author