Globally classrooms are increasingly linguistically diverse. Research often oversimplifies lived linguistic heterogeneity as binary variables: native versus non-native. Linguistic distance (LD) measures allow a fine-grained operationalization of linguistic diversity in foreign language education. This study investigated associations of cognate LDs…

For centuries, languages have been changing and evolving in complex, systematic ways. The study of past stages of a linguistic system and the overarching linguistic patterns characterizing the arc of change over time characterize the field of linguistics known as historical linguistics. Historical linguistics serves to illuminate both the sources…