Comment Re:Mandated (Score 4, Insightful) 1246
Research on behavior modification shows that punishment (like, say, spanking) results in escape and avoidance behaviors and usually results in people reverting to the unwanted behavior once the source/threat of punishment is taken away. Positive reinforcement for wanted behaviors (and removing the reinforcement in response to unwanted behaviors) is more effective, longer lasting, and generally results in a more psychologically healthy individual.
And, just for some anecdotal evidence, I worked for 3 years in a group home for abused and emotionally disturbed children. The ones who were physically beaten seemed to have learned from their parents not how to behave properly, but that anger and violence are the way to respond to someone who does something you don't like.