Aidan goes to a therapist for help in losing weight. He and his therapist develop a written agreement spelling out weekly step-by-step methods for Aidan to use in order to reach his weight goal. The plan specifies rewards for reaching weekly goals and penalties for not achieving them. Aidan's therapist is using which of the following methods?

A) classical conditioning
B) desensitization
C) contingency contract
D) a token economy

Contingency Contract

A behavioral strategy involving a formal agreement between parties to reinforce desired behaviors or reduce undesired ones.

Weekly Goals

Objective or targets set to be achieved within the span of a week, commonly used in personal and professional planning to organize and prioritize tasks.

Token Economy

A behavioral modification technique that involves giving tokens as rewards for desired behaviors, which can later be exchanged for specific privileges or items.