This author discovered that his most powerful tool in the classroom was not to lecture, but to stop speaking at all. The effect of the resulting silence was even more positive than he could have imagined.
Thiele, D. (2013). Shutting Up in Class: The Zen of Silence. Inquiry: The Journal of the Virginia Community Colleges, 18 (1). Retrieved from http://commons.vccs.edu/inquiry/vol18/iss1/5