Answer:
Positive reinforcement
Step-by-step explanation:
Positive reinforcement: In psychology, the term "positive reinforcement" is determined as a phenomenon in which an individual is being provided with something when he or she performs a specific "desired action or task" in order to get associated with the given reward and perform the task or action in future. Thus, in the given scenario reward is considered as a "reinforcing stimulus".
In the question above, the correct answer is positive reinforcement.