Table 1.

Languages and researchers involved in the study.

languagelanguage familylocationresearcher
Cha'palaaBarbacoanEcuadorSimeon Floyd
EnglishIndo-European (Germanic)United KingdomKobin H. Kendrick
ItalianIndo-European (Romance)ItalyGiovanni Rossi
LaoTaiLaosN. J. Enfield
MurrinhpathaSouthern Dalynorthern AustraliaJoe Blythe
PolishIndo-European (Slavic)PolandJörg Zinken
RussianIndo-European (Slavic)RussiaJulija Baranova
 SiwuKwaGhanaMark Dingemanse