His peer education model reinforces correct responses and students are in a better position to convince each other. Their shared unfamiliarity with the subject allows them to more readily anticipate whatever barriers to understanding they might encounter from their peers. Mazur said this call/response form of teaching also allows for a continuous assessment and feedback. You know if you need to continue or move on.
Although he acknowledged that this form of teaching requires experience to formulate good questions and gauge where trouble spots might be, based on students responses, Mazur remains committed to this more interactive model and will demonstrate his method with the audience.