During a negotiation, the process of probing for deep-seated concerns, devising creative solutions, and making trade-offs and concessions describes which approach to resolving disputes?

Reconciling the interest of the parties.

Explanation:

Reconciling the interest of the parties in one of the approach to resolve the conflict or dispute.

In this approach, the interests of the parties are looked into. In this frame, interests can be fears, needs, desires, and concerns. While using this approach, these frames of interest are looked. And then, divisive creative solutions are made. If the conflict is on the opposed interests, then concessions between the parties are made. The tools of this approach are negotiation and mediation.

So, the approach is reconciling the interest of the parties.

the most appropriate strategy would be to do a questions and answer type speech.