I will take debate and anger any day over boredom and sleeping, but some instructors cannot handle the thought, or feeling, of losing control. They would rather lecture without involving their students and maintain complete dominion over the class. There can be little gained by anyone in this type of learning environment.

“Emotionally charged events persist much longer in our memories and are recalled with greater accuracy than neutral memories.” ~Brain Rules

Full article at phalanxle.com/2013/04/14/make-them-mad