Answer:
Contingency contract
Explanation:
A contingency is a term that is used in daily life chores and educational settings. Most of the house owner purchases the household that follows the contingency.Contingency plays a role in when two companies help to one another. It is the key point of negotiation in sale and purchase.
A contingency contract is flexible and can be adapted by many of the organizations. These have some basic rules that a teacher should use in classroom settings.
Thus in the above statement as indicated that Aidan uses step by step therapy approach to reach his goals. Aidan was using a contingency contract.