Reward charts are a mainstay of modern parenting. Stickers are commonly used in order to tame toddlers, stop tantrums and encourage kids to eat up their food, tidy their rooms and work hard at school.

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 ...

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 ...