Bilingual language use is context dependent: using the Language and Social Background Questionnaire to assess language experiences and test-rest reliability

Bilingualism is a multi-faceted experience and bilinguals differ in how they use their languages daily life. Therefore, assessments of bilingualism that consider the role (social) context are needed when describing bilinguals. In this study, we evaluated (reliably) Language Social Background Questionnaire (LSBQ; Anderson et al. 2018) describes language experiences living UK. Across 163 participants, nine factors were found to describe daily-life different contexts or with interlocutors. Factors also correlated objective English (L2) proficiency. These findings emphasise need for studies characterise bilinguals’ more detail focus on multi-dimensionality bilingualism. Test-retest reliability (assessed across two weeks) was moderate substantial, showing LSBQ might be reliable tool capture these bilingual experiences.