Answer:
The answer is C. A token economy.
Step-by-step explanation:
A token economy can be defined as a system of contingency management that is characterized by a systematic reinforcement related to the target behavior. The reinforcers are the symbols that are utilized in this system, and at the same time, these reinforcers can be exchanged for other ones.
A token economy is usually characterized by the existence of operant conditioning and behavioral economics principles. These aspects related to token economies are especially utilized in children as well as in adults. Three aspects are essentially related to a token economy. They include tokens, back-up reinforcers, and specified target behaviors.