Tier 3

gdm - Group Decision Making

Group Decision Making

Overview

Systematic procedure for making effective decisions in groups, avoiding common pitfalls, and leveraging collective intelligence

Steps

Step 1: Define the decision and authority

Clarify what’s being decided and who decides:

  1. State the decision question clearly
  2. Explain why group input is needed
  3. Clarify the decision-making structure (consensus, vote, consultative)
  4. Name the ultimate decision-maker if consultative
  5. Explain what happens with the input

Step 2: Gather independent input first

Collect unbiased perspectives before group discussion:

  1. Have each participant write their initial view independently
  2. Include: position, key reasons, concerns, and confidence level
  3. Collect anonymously if possible to prevent anchoring
  4. Do this BEFORE any group discussion
  5. This prevents information cascades and groupthink

Step 3: Generate and expand options

Ensure a full range of options is considered:

  1. Share any pre-defined options
  2. Brainstorm additional options (no critique during generation)
  3. Include “do nothing” or status quo
  4. Look for creative alternatives beyond obvious choices
  5. Combine or modify options

Step 4: Structured discussion with dissent

Facilitate discussion that welcomes disagreement:

  1. Present summary of independent views (anonymized if helpful)
  2. For each option, have someone advocate for it
  3. Assign devil’s advocate to challenge favored options
  4. Explicitly ask: “What are we missing? What could go wrong?”
  5. Ensure quieter voices are heard (round-robin or direct invitation)
  6. Leader speaks last to avoid anchoring

Step 5: Check for groupthink

Actively look for signs of premature consensus:

  1. Is apparent agreement too quick or easy?
  2. Have concerns been suppressed or dismissed?
  3. Is anyone holding back?
  4. Do a round: “What’s one thing that still concerns you?”
  5. Consider bringing in outside perspective

Step 6: Decide using agreed method

Make the decision using the appropriate structure:

  1. If consensus: Check each person for agreement and concerns
  2. If voting: Conduct vote using chosen method
  3. If consultative: Decision-maker states decision with rationale
  4. Document the decision clearly
  5. Acknowledge dissenting views and how they were considered

Step 7: Commit and plan implementation

Ensure commitment and clear next steps:

  1. Each participant states their commitment to support the decision
  2. Even dissenters: “Disagree and commit” - will they support implementation?
  3. Assign specific actions with owners and deadlines
  4. Identify early warning signs to watch for
  5. Schedule review point to assess decision outcome

When to Use

  • Decision requires multiple areas of expertise
  • Implementation depends on stakeholder buy-in
  • Decision affects many people who should have input
  • Want to reduce individual bias and blind spots
  • Complex problem benefits from diverse perspectives
  • Need to build legitimacy for the decision
  • Individual decision-maker lacks complete information

Verification

  • Decision authority clearly established before process
  • Independent input gathered before group discussion
  • Multiple options seriously considered
  • Dissent explicitly welcomed and documented
  • Groupthink check performed
  • All participants committed to support implementation
  • Review point scheduled