Climate, vocal folds, and tonal languages: connecting the physiological and geographic dots

PNAS (Proceedings of the National Academy of Sciences) Vol/Iss. 112 Published In Pages: 1322-1327
By Everett, Caleb, Blasi, Damian E., Roberts, Sean G.


Aridity and/or frigidity of environment will be negatively predictive of rates of complex tonality in language areas.


Test NameSupportSignificanceCoefficientTail
Mann-Whitney U Test; Monte Carlo analysis of rangeSupportedp<.05UNKNOWNUNKNOWN