Causes of toolkit variation among hunter-gatherers: a test of four competing hypotheses

Risk of resource failure will influence toolkit structure (4).

Test
Test Name	Support	Significance	Coefficient	Tail
multiple regression	Supported	p<.001	`UNKNOWN`	`UNKNOWN`

Variables
Variable Name	Variable Type	OCM Term(s)
Effective Temperature	Independent	Climate
Net Above Ground Productivity	Independent	Flora
Toolkit Structure	Dependent	Tools And Appliances

Main Author	Published Year	Hypothesis	Supported	Variables Tested
Collard, Mark	2005	Population size will influence toolkit structure (6).	Not Supported	2	Cite Related Hypotheses More By Author
Collard, Mark	2005	The characteristics of resources exploited for food will influence toolkit structure (2).	Not Supported	2	Cite Related Hypotheses More By Author
Collard, Mark	2005	Residential mobility will influence toolkit structure (5).	Not Supported	2	Cite Related Hypotheses More By Author
Collard, Mark	2013	Population size will be associated with toolkit richness and complexity independent of rain and effective temperature.	Supported	2	Cite Related Hypotheses More By Author
Collard, Mark	2011	Toolkit complexity and diversity will be positively associated with risk of resource failure (252).	Not Supported	4	Cite Related Hypotheses More By Author