A few days ago, I came across the following blog post by Dr. Brokk Toggerson, a physics lecturer from the University of Massachusetts, Amherst:
This post really resonated with me, and I am glad to share it on my own Physics Education blog along with a few comments of mine. I started following a similar approach back when I was a teaching assistant for various physics, mathematics and computer science courses during my undergraduate and graduate studies, and to this day I am strongly convinced that this is a great way to enhance the students' learning experience. Personally, I think that this approach is applicable both for large enrollment courses (such as Dr. Toggerson's 600-student lecture) and smaller classes.