Answer :
Answer:
Cognitive Dissonance
Explanation:
Cognitive Dissonance- A psychological theory proposed by Leon Festinger. When a person holds two contradictory beliefs that goes against their established behavior, compels them to change it until they become consistent with one unified belief.
A person trying to quit smoking and educating others about its dangers leads to an internal inconsistency. It leads to a psychological discomfort eventually motivating to reduce the cognitive dissonance. They eventually change the behavior so as to reduce the psychological stress.