The effects of Content and Language Integrated Learning (CLIL) on students' foreign language skill development have been overestimated by previous studies, as most studies needed to have considered selection and preparation effects appropriately. We used complete survey data from a 1996-2003 cohort to investigate English skill development of N =…

Since its inception in the 1990s Content and Language Integrated Learning (CLIL) has transformed from an initiative to improve communicative competence in foreign languages into a complex language-aware construct in which translanguaging and curriculum integration are identifiable pedagogical practices. This shift of paradigm in its…