The present dissertation brings together research on heritage language acquisition and bilingual education and makes inroads into the limited research on heritage language development in school-aged bilingual children. This study explores how bilingual education, patterns of exposure, and lexical frequency shape adolescent Spanish heritage…

The provision of CLIL teachers in Spain has outpaced the growth of the so-called bilingual programs, as there are no specific training requirements for CLIL teachers who are either content or language specialists. So, CLIL teachers have a preexistent teacher identity that could influence their pedagogical choices. This study examines how teachers…

Very little research has been conducted on the effects of CLIL on L1 competence development. This article compares CLIL and non-CLIL learners' levels of attainment in Spanish Language and Literature in seven public schools in the South of Spain. Learners' verbal intelligence and motivation were previously matched in order to homogenise the sample.…

The present paper presents a comparative study of the lexical profiles of young content and language integrated learning (CLIL) and traditional English as a Foreign Language (EFL) learners' written production. The different nature and amount of foreign language input received in these classes may have consequences in learners' lexical profiles in…

This exploratory study investigated the nature and distribution of dual-language preschool teachers' questions across parallel Spanish- and English-medium read-aloud activities. The notions of comprehensible input (Krashen, 1985) and language output (Swain, 1985), along with a reciprocal interaction model of teaching (Cummins, 2000), guided our…