In minority language revitalisation contexts, the determination of proficiency in the minoritised language is a sensitive social issue that affects citizens regardless of their linguistic background. From a psychometric perspective, since the target population is heterogeneous, competence assessment instruments must ensure score validity for each…

One of the focuses of language revitalisation policies is to incorporate minority languages into education. Evaluation of new language-of-instruction models is usually based on the increase of minority language speakers. However, it is also important from an educational perspective to study the possible relationship between performance and…