Answers are grounded in this paper and cite their sources.
What is ethnicity and how is it linked to language? - phenomenological and socio-historical considerations language maintenance and language shift in ethnocultural perspective the ethnic dimension in language planning language and ethnicity in education - the bilingual minority focus elites and rank-and-file - contrasts and contexts in ethnolinguistic behaviour and attitudes ethnolinguistic homogeneity and heterogeneity - worldwide causes, consequences and aspirations.
No takes yet. Share an insight, caveat, or question.
Bills et al. (1990) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: