Usage frequency and lexical class determine the evolution of kinship terms in Indo-European

Royal Society Open Science Vol/Iss. 6(10) The Royal Society Published In Pages: ??
By Rácz, Péter, Passmore, Sam, Sheard, Catherine, Jordan, Fiona M.


The relationship between rate of word replacement and usage frequency is stronger for kinship terms than it is for core vocabulary in Indo-European languages.


The relationship described in hypothesis 1 (regarding kin terms) is much stronger than for core vocabulary (est = 0.18, s.d. = 0.09, t = 2.02).


Test NameSupportSignificanceCoefficientTail
Phylogenetic comparative methodsSupportedUNKNOWNUNKNOWNUNKNOWN


Variable NameVariable Type OCM Term(s)
Rate of word replacementDependentVocabulary
Frequency of word useIndependentVocabulary