" So, how about spanking? After reading all this, do you think you are ready to know what science has to say about the issue? Here's the skinny: Psychologists are still studying the matter, but the current thinking says spanking generates compliance in children under seven if done infrequently, in private, and using only the hands. Now, here's a slight correction: Other methods of behavior modification, such as positive reinforcement, token economies, time out, and so on are also quite effective and don't require violence.

Reading those words, you probably had a strong emotional response. Now that you know the truth, has your opinion changed? "

― David McRaney , You Are Now Less Dumb: How to Conquer Mob Mentality, How to Buy Happiness, and All the Other Ways to Outsmart Yourself