Emergence of kinship structures and descent systems: multi-level evolutionary simulation and empirical data analysis

Increased intergroup competition is positively associated with the evolution of unilineal descent systems.

See Table 2 for variables and results.

Test
Test Name	Support	Significance	Coefficient	Tail
Spearman's Rank	Supported	`UNKNOWN`	rhos = 0.55-0.59	`UNKNOWN`

Main Author	Published Year	Hypothesis	Supported	Variables Tested
Ember, Carol R.	1974	". . . there is a positive association between the number of putative unilineal groups at the highest level of unilineal descent in the society and the total number of persons in the society" (85)	Supported	2	Cite Related Hypotheses More By Author
Cohen, Yehudi A.	1964	Socialization by parents and members of the child's descent group will be positively associated with unilineal descent groups.	Supported	2	Cite Related Hypotheses More By Author
De Leeuwe, J.	1971	"Cross-cousin marriage (versus all other possible marriage systems) occurs proportionally more often with (each of the) single unilineal systems than with bilaterality" (90)	Supported	2	Cite Related Hypotheses More By Author
Ember, Carol R.	1974	". . . Unilocality is a necessary but not sufficient condition for unilineal descent" (70)	Supported	2	Cite Related Hypotheses More By Author
Ember, Carol R.	1974	". . . intergroup competition is the most important catalyst in the formation of unilineal descent groups in unilocal societies" (74)	Supported	3	Cite Related Hypotheses More By Author