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| Criterion |  Facilitation Nominal Group Technique |  Innovation How Might We |  Innovation Round Robin Brainstorming |  Innovation Lotus Blossom |
|---|---|---|---|---|
Purposedifferent | When loud voices could dominate a round, Nominal Group Technique protects individual thinking time from group effects. It collects ideas separately first and only then enables shared weighting. | With a stuck problem carrying many implicit assumptions, the method translates observations into open, workable questions. It sharpens the problem frame without pre-thinking the solution, turning frustration or fuzziness into a search space with clear direction. | With unevenly distributed speaking time, the method brings every person into the contribution one after another. It prevents early voices from setting the direction while still producing a shared idea space. This makes participation plannable and the team's diversity visible. | When a central question feels too large, the method breaks it into neighboring topic fields with their own depth of ideation. It holds structure and openness at the same time, so adjacent perspectives don't get lost. This grows an idea space out of a core problem. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 60-120 min | 30–45 min | 20-45 min | 45-90 min |
Participantsdifferent | 5-12 | 1-10 | 4-10 | 3-10 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Ranked Ideas, Clarified Options, Group Priority | HMW Questions, Challenge Framing, Idea Prompts | Idea List, Cluster, Shortlist | Lotus Diagram, Idea Themes, Shortlist |
Tagsno overlap | FacilitationPrioritizationVotingInclusion | FramingOpportunityIdeationQuestions | BrainstormingIdeationFacilitationInclusionCreativity | BrainstormingIdeationCreativityDivergenceWorkshop |