What is the goal of the session?
How will the nominal group technique be used to achieve this goal?
How will the members of the team work together (guidelines for effective participation)?
What specific steps and tasks will be involved in achieving the goal?
How much time will be allocated to each step or task? What voting mechanism is most appropriate for the size of the group and the specific stage of the process?
What will the outcome look like? What will the group present to the other levels?