To distinguish genuine interests from strategic deception, you must move beyond simple positional bargaining. A counterpart may claim a specific requirement is mandatory just to squeeze concessions from you. To uncover the truth, focus on the 'why' behind their demands. Instead of arguing over their stated position, ask open-ended questions that explore the underlying needs or constraints driving that position. This helps you understand if the demand is a functional necessity or just a tactical maneuver.
Another effective method is to look for consistency across different parts of the negotiation. If a counterpart's stated interest contradicts their actual behavior or their other demands, it is likely a feigned interest. You should also test their claims by offering multiple options that provide the same core value in different ways. If they reject all options that satisfy their stated interest, they are likely bluffing. By focusing on objective criteria and logical connections between their needs and the proposed solutions, you can navigate the environment without falling victim to deceptive tactics, ensuring the final agreement remains sustainable and fair for both sides.