What are two structured decision-making methods used in groups to reach consensus and when to apply them?

What are two structured decision-making methods used in groups to reach consensus and when to apply them?

• A. Brainstorming without structure to generate ideas.
• B. Delphi is used only for in-person meetings with a strong facilitator.
• C. Nominal Group Technique (silent generation and ranking) for prioritizing ideas; Delphi (iterative expert feedback) when in-person meetings are impractical or consensus is needed across distances.
• D. Neither method helps reach consensus.

Answer: (C)