Identify possible reasons a student might monopolize class and learn about possible solutions. This resource is from Carnegie Mellon's "Solve a teaching problem" series. 

"At the heart of responding strategies is this: all students want to know that they have been heard. You don't have to agree always with what a student has said, but it's a good idea to acknowledge in some way that you have heard and understood them. The three building blocks of good discussion are: questioning, listening, and responding."

Different types of questioning one might use to encourage student participation in class.

"Leading discussion sections effectively requires a lot more listening than speaking, and the speaking done by the instructor comes, in large part, through questions."

"Faculty and discussion leaders who incorporate the case study method into their teaching offer various reasons for their enthusiasm for this type of pedagogy over more traditional, such as lecture-based, instructional methods and routes to learning." Exerpt from the book Using Cases in Higher Education: A Guide for Faculty and Administrators, by James P. Honan and Cheryl Sternman Rule.

"What conditions inhibit dialogue and what measures can be taken to overcome them? How teachers maintain the pace of the discussion, how they use questioning and listening to engage students in probing subject matter, and how they group students for instruction all affect how the discussion proceeds and how motivated the students are to participate in similar discussions in the future." Excerpt from Discussion as a Way of Teaching: Tools and Techniques for Democratic Classrooms, 2nd Edition, by Stephen D. Brookfield and Stephen Preskill. 

"'When I listen really carefully it allows me to push students hard and help them see what they have within themselves.”