Although there is a wealth of research on the use of the first language (L1) in English as a foreign language (EFL) classrooms, there is as yet very little research of this kind in classrooms where the prime pedagogical objective is to teach academic content through English as a second language (English medium instruction; EMI). It is important to…

This study explored the teaching and learning of vocabulary through listening among 137 senior high-school learners of English as a foreign language (EFL) in China. It compared different types of Lexical Focus-on-Form delivered to four treatment groups: post-listening vocabulary explanations in the L2; codeswitched explanations; explanations…

This study investigated the effect of teacher codeswitching on second language (L2) vocabulary acquisition during listening comprehension activities in a lexical Focus-on-Form context. To date there has been research on teacher beliefs about first language (L1) use, its functions and its distribution in the interaction, but little on its effect on…