We try to avoid external punishments and rewards in our preschool. We really believe in the code of natural consequences and that there are natural consequences for your behaviors. In the case of punishment, what that so often does is it takes the attention away from the behavior we're dealing with and puts it on the punisher. All the research shows, and most of the research that's been done shows that punishment works for a very short amount of time most of the time, and it really only works as long as the punisher remains present. When the punisher leaves the room, the child reverts back to that behavior very often. The only other way that punishment works is when it's debilitating. And I, for one, am not going to engage in debilitating punishments with a child. The same goes for rewards. When a child comes to me and says, "Look at this picture I made," they're already feeling good about it. They're showing it to me, they're excited, they've already received their reward. Me saying, "Good job," is almost confusing to them. They look at it, "Well, I don't need his approval to feel good." And they don't need my approval to feel good. I want the rewards and punishments to be intrinsic.