CASE STUDY

A psychology class that had been learning about the effects of positive reinforcement on test subjects (people who are told they are doing well and so consequently do well) decided to try an experiment on their teacher. One half of the class smiled appreciatively at everything he said and managed to look interested throughout the entire class. Meanwhile, the other half of the class pretended to ignore the lesson and looked bored. Within a few minutes, the teacher began to focus all of his attention on the enthusiastic group while ignoring the other half of the class. Later that day the students wrote up their observations and were rewarded with top marks.

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