On the multidimensionality of bilingualism and the unique role of language use

Abstract The multidimensionality of the bilingual experience makes investigation bilingualism fascinating but also challenging. Although literature distinguishes several aspects bilingualism, measurement methods and relationships between these have not been clearly established. In a group 171 relatively young Polish–English bilinguals living in their first-language environment, this study investigates multiple measures bilingualism. shows that language entropy – an increasingly popular measure diversity use reflects separate aspect from language-switching language-mixing measures. findings indicate proficiency is uniform complex construct requires appropriately comprehensive measurements. Collectively, contribute to discussion on best practices for quantifying