Positive reinforcement involves adding something to increase a response, while negative reinforcement involves taking something negative away to increase a response.
Positive reinforcement involves adding something in order to increase a response. For example, adding a treat will increase the response of sitting; adding praise will increase the chances of your child cleaning his or her room. The most common types of positive reinforcement are praise and reward.
Negative reinforcement involves taking something negative away in order to increase a response. Imagine a teenager who is nagged by his parents to take out the garbage week after week. After complaining to his friends about the nagging, he finally one day performs the task and, to his amazement, the nagging stops. The elimination of this negative stimulus is reinforcing and will likely increase the chances that he will take out the garbage next week.
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