Answer:
This system is called token economy.
Step-by-step explanation:
A token economy is a system designed to improve behavior in individuals, and it works based on reinforcement. Desirable behavior gets rewarded with tokens, and those are taken away with undesirable behavior. This helps increase the desirable behavior, teaching social skills and what's appropriate. It is used in institutions like psychiatric hospitals or correctional facilities, and they can be used individually or in groups.