Final answer:
Identifying the source of the conflict is not part of a pre-negotiation assessment; this step pertains to the negotiation itself. Pre-negotiation focuses on prioritizing goals, evaluating trade-offs, and valuing relationships.
Step-by-step explanation:
Among the options provided, d Identifying the source of the conflict is NOT part of a pre-negotiation assessment of your goals and interests. When preparing for a negotiation, it is crucial to understand your own goals, interests, and relationships to effectively strategize. Identifying the source of the conflict is undoubtedly important; however, it falls more in line with the actual negotiation process rather than the preparation phase. Preparation generally involves a Prioritizing your goals, b Evaluating any potential trade-offs during the negotiation, and c Specifying the value you place on your relationship with the other party to navigate the discussions effectively.