For a token economy to work, criteria have to be specified and clear.
Though sometimes a token economy is designed for only one specific individual.
In the 1970s the token economies came to a peak and got widespread.
It wasn't easy for token economies to adapt to this evolution.
In the last 50 years plenty of research has been done on token economy.
Sometimes the token economy is being used as a lasting prosthesis.
Sometimes, these are delivered in a token economy or a level system.
For example, a behavior analyst working in the hospital setting might design a token economy, a form of contingency management.
Closely related to token economies is a technique called response costs.
This technique can either be used with or without token economies.