Past research has often shown a lack of student output in English medium instruction (EMI) classes (e.g., An et al., 2021; Lo & Macaro, 2012) and this study seeks to identify possible reasons. Guided by literature on wait time (Rowe, 1986) and teacher higher-order thinking questions (Chin, 2007), this study explores whether these two…

In many higher education institutions in countries where English is the second or foreign language; English for Academic Purposes (EAP), English-medium instruction (EMI), Content and Language Integrated Learning (CLIL), and first language-English bilingual modules are attracting interest because of their potential to contribute to the…

We report on the use of bilingual constructed response science assessments in the context of a research and development partnership with secondary school science teachers. Our project provided a series of workshops for teachers where they explored students' emergent reform-oriented science meaning-making in our project-designed assessments. We…

Science teachers mediate social and academic language in science classrooms through teacher talk and classroom discourse. In multilingual classrooms, ways home and international languages are deployed can affect conceptual learning of science. This study investigates, through Bakhtin's dialogic perspective, multilingual language practices and…