Contextualized bilingualism among adolescents from four different ethnic groups in Indonesia

Aims and objectives: We were interested in group differences in Indonesia in bilingualism, whether vocabulary knowledge shows a differential pattern across the languages, and whether language skill and usage differences between groups are moderated by contextual factors, such as ethnic group size. Data and analysis: We examined group differences in language usage at home and in public, self-reported proficiency, and vocabulary scores in both...