token economy

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun A system of behavior modification based on the principles of operant conditioning; patients are rewarded with tokens (reinforcers) for engaging in desirable activities.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a form of behavior therapy that has been used in some mental institutions; patients are rewarded with tokens for appropriate behavior and the tokens may be cashed in for valued rewards