A typically boisterous child is praised enthusiastically by his teacher for sitting quietly and attending to the day's lesson. In response to his teacher's praise, the child sits quietly during the next day as well. The teacher is changing the child's behavior by using ___.

Explanation:

Reinforcement is a term used in psychology, it means to any stimulus that can increase or strengthen the probabilty of a specific reponse.

B.F Skinner was the psychologist who is considered as the father of Operant conditioning, he was the first to discover Positive reinforcement. He proposed the reinforcement theory of motivation, it was based on the " law of effect" , it said that individuals behaviour with positive consequences tends to be repeated. So if we want a person to show positive behaviour we sold giver a positive response when he/she shows required behaviour.

Positive reinforcement also  occurs naturally, when we hold door open for someone they might praise us and say thank you. The compliment may serve as positive reinforcement and we will be more like o hold the door open for people in future

Examples of Positive reinforcement