Thirty years of research in the scholarship of teaching and learning in higher education have demonstrated that when students are engaged in the classroom, they learn more (Pascarella and Terezini 1991, 2005). Classroom discussion is likely the most commonly used strategy for actively engaging students. Whether it is a seminar course centered on discussion or a lecture punctuated by moments of interaction with students, discussion is likely second only to lecture as the most frequently used pedagogical strategy. Yet the…