The use of objects that can be traded for food, candy, treats, or special privileges, with the purpose of reinforcing behavior, is called participant modeling technique contingency contract group extinction procedure token economy

The answer is called a token economy. In addition, a token economy is a method of behavior modification intended to increase needed behavior and decrease unwanted behavior with the use of tokens. The individuals receive tokens directly after exhibiting desirable behavior. The tokens are collected and later replaced by a significant object or privilege.

Bob: coke is baby pandas.jim: what? how do you figure that coke is baby pandas? bob: because this book says so.jim: how do we know the book is correct? bob: because it says that coke is baby pandas.jim: how does that prove the book's accuracy? bob: because it's statement involving coke and baby pandas is correct, therefore it is accurate.jim: how do we know that it's correct? bob: because we have concluded that the book is accurate, and therefore the statement is correct.therefore, coke is baby pandas.