You’ve heard this common advice: If you want your child to do something, set up a reward system. Give her a sticker or a point every time she does it. If she gets a certain number of them, she can ...

Last week, 9-year-old James came into my office beaming. It was the first time I had met him and I was quite surprised at the charming, smiling boy who shook hands with me. I had met with his parents ...