Answer:
Operant conditioning
Explanation:
Operant conditioning: In psychology, the term operant conditioning is also referred to as instrumental conditioning and is defined as one of the methods of learning process that generally occurs through proving punishments and rewards for a particular behavior. An operant conditioning is responsible for developing an association between a specific behavior and the consequence related to that behavior.
The application of operant conditioning involves the process of behavior modification to modify a particular behavior, for example, smoking, aggression, obesity, alcoholism, etc.
In the question above, the change in behavior is due to operant conditioning.