We really enjoyed this article from the Wall Street Journal:
Talking to Your Child After You Yell: How Yelling Can Hurt, and How to Stop It
Nearly every parent loses control and screams at the children now and then. But what if you do it repeatedly?
Researchers suspect parents are yelling more. Parents have been conditioned to avoid spanking, so they vent their anger and frustration by shouting instead. Three out of four parents yell, scream or shout at their children or teens about once a month, on average, for misbehaving or making them angry, research shows. Increasingly, therapists and parenting experts are homing in on how it hurts a child, as well as how to stop it.
read the full article here.