Pama–Nyungan grandparent systems change with grandchildren, but not cross-cousin terms or social norms
Evolutionary Human Sciences • Vol/Iss. 2 • PubMed Central • • Published In • Pages: e30 •
By Sheard, Catherine, Bowern, Claire, Dockum, Rikker, Jordan, Fiona M.
Hypothesis
There will be a co-evolution between Pama-Nyungan grandparent systems and post-marital residence.
Note
The authors suggested that there are differences between the Pama-Nyungan's types of grandparental systems used by matrilocal and patrilocal groups, but there was no effect.
| Test Name | Support | Significance | Coefficient | Tail |
|---|---|---|---|---|
| Bayesian phylogenetic mixed models | Not supported | pMCMC = 0.730 | UNKNOWN | UNKNOWN |
| Variable Name | Variable Type | OCM Term(s) |
|---|---|---|
| Grandparent systems of Pama-Nyungan languages | Dependent | Kinship Terminology |
| Patrilocal or matrilocal Societies | Independent | Residence |