The evolution of ethnolinguistic diversity

Advances in Complex Systems Vol/Iss. 15(01n02) World Scientific Publishing Company Published In Pages: 1-20
By Currie, Thomas E., Mace, Ruth

Hypothesis

Geographic language area will be positively associated with net primary productivity among Australian and American foragers, but weakly or insignificantly associated with NPP among American agriculturalists (7).

Test

Test NameSupportSignificanceCoefficientTail
Multiple regressionSupportedp < 0.05Australian foragers r = -0.238. American foragers r = -0.531. American agriculturalists r =-.004 (not significant)UNKNOWN

Variables

Variable NameVariable Type OCM Term(s)
Net Primary ProductivityIndependentClimate, Flora
Language areaDependentLocation, Linguistic Identification