Why is reinforcement generally preferable to punishment in promoting behavior modification?

Answer 1

We all like to feel good about ourselves. Positive reinforcement usually brings about the desired behavior, while punishment often backfires.

http://www.essortment.com/all/positivereinfor_rave.htm

Answer 2

Punishment only indicates what not to do, which may lead to other inadequate responses. Reinforcement indicates what to do.

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