Search Result for "token economy":
Wordnet 3.0

NOUN (1)

1. 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; 



WordNet (r) 3.0 (2006):

token economy
    n 1: 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