Tony was overweight. So, he decided to go to the gym. Initially, he saw no results, but as he felt extremely good after exercising, he continued hitting the gym. After a few months of regular exercise, he lost a tremendous amount of weight and felt good about his body. This motivated him to keep exercising. Which of the following best explains Tony's activities?

A. Serial position effect
B. Positive reinforcementĀ 
C. Stimulus discrimination
D. Reconsolidation


Answer: B

Psychology

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