Over the past 40 years, Jim Cummins has proposed a number of highly influential theoretical concepts, including the threshold and interdependence hypotheses and the distinction between conversational fluency and academic language proficiency. In this book, he provides a personal account of how these ideas developed and he examines the credibility…

This article reports on a study that examined the effectiveness of an intervention using text messages to enhance the academic vocabulary acquisition of English language learners (ELLs). With a random control trial design, we compared students' learning gain of target vocabulary (direct effect) and its subsequent impact on academic vocabulary…

My goal in this paper is to contribute to the process of bringing practice and theory into active dialogue. Initially, I review some early instructional examples of crosslinguistic pedagogy involving emergent bilingual students. I then focus on more recent examples from the Canadian context that illustrate the emerging role of classroom teachers…