The Professional and Ethical Compliance Code for Behavior Analysts emphasizes clientcentered care collaboration with stakeholders and respecting the rights and preferences of clients and their caregivers When a key stakeholder such as Marilla expresses disagreement or discomfort with a recommended intervention especially one known to be challenging like extinction due to potential extinction bursts the BCBA has an ethical obligation to address these concerns respectfully Option A while providing rationale dismisses Marillas feelings and pushes the intervention which can undermine rapport and treatment fidelity Option B implementing against her wishes is a direct violation of ethical principles related to collaboration and client autonomy Option D immediately threatening termination or referral escalates the situation prematurely without first attempting to resolve the disagreement collaboratively The most appropriate response as described in Option C involves active listening validating Marillas concerns recognizing that extinction is difficult and collaboratively exploring other evidencebased strategies that are both effective for Annes behavior and acceptable and feasible for Marilla to implement This approach maintains a positive working relationship respects stakeholder input and ensures a higher likelihood of successful intervention implementation