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 ...

A treat here and a treat there seems harmless enough. After all, what could go wrong with a little positive reinforcement for good behavior? As it turns out, quite a bit. The research on reward ...

Care and Feeding is Slate’s parenting advice column. In addition to our traditional advice, every Thursday we feature an assortment of teachers from across the country answering your education ...

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