Answer:
a. positive reinforcement
Explanation:
Positive reinforcement: In psychology, the term "positive reinforcement" is described as a phenomenon in which an individual is being provided with something as a reward when he or she tends to perform the desired behavior or action so that he or she can associate that specific behavior or action with the reward that is being provided and then repeat the action or behavior more often and this reward is considered as a "reinforcing stimulus".
In the question above, the given statement illustrates positive reinforcement.
