Tubbs, S. (2013). Conflict and negotiation. 1. List and explain the four levels of conflict. 2. What are the six stages of conflict? 3. List and explain the five alternatives for conflict resolution provided by the Kilmann-Thomas Model. 4. List the six steps of the negotiation process provided by Walker and Harris (1995). 5. What are the four primary rules of thumb of principled negotiation?