You are seeing parents who do not believe in the negative effects of punishment. They define punishment as the removal of things in order to get what they want. After doing some structural work to help them understand the systemic hierarchy, you then give them a lesson in response cost, which is:
Explanation
Answer - B - Response cost can be defined as the cost associated with a negative response. These response costs can include loss of goods, services, privileges, and relationships. Imitation of proper authorities comes from shaping, while minimizing cost to others is a very selfless prospect. Once you have responded to unmet needs, they are no longer unmet and the response is most likely a favorable one for the individual, leaving them without a cost.