Answer:
Shaping
Step-by-step explanation:
SHAPING can be defined as the process or ways in which a person or an individual
analysis another person behaviour by reinforcing them in order for the person to carryout certain task they want them to do in which they as well tries to establish the person behavior that is not learned or carried out by that person by reinforcing the behaviors of that person that are closer to their target behavior or to a desired behavior which is why SHAPING
Is often used when a person want another person to engage in a certain desirable behavior that is at present never displayed by the person just as what Kathy was doing to her roommate.
Therefore this type of strategy is known as: SHAPING