Instead of the “I talk, you listen” structure of traditional lectures, mixing up the activities in a lecture course is likely to nurture deeper understanding. Bob Kegan peppers activities throughout his lectures, adding variety and dynamism into what could otherwise be a lengthy, teacher-centered lecture. In this video, Kegan suggests that university instructors think more like bike instructors: It’s not enough to just talk about your content, you must give students a chance to “get on” and try it out.