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| Criterion |  Facilitation Nominal Group Technique |  Innovation Round Robin Brainstorming |  Innovation Reverse 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 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. | For persistent errors or blockages, the method shifts the view to the opposite of the desired effect. It exposes the mechanics of failure and makes hidden causes easier to grasp. This makes improvement more concrete and the problem clearer. | 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 | 20-45 min | 30-60 min | 45-90 min |
Participantsdifferent | 5-12 | 4-10 | 3-12 | 3-10 |
Formatsame | Workshop | Workshop | Workshop | Workshop |
Outputdifferent | Ranked Ideas, Clarified Options, Group Priority | Idea List, Cluster, Shortlist | Reverse Ideas, Risk Themes, Solution Ideas | Lotus Diagram, Idea Themes, Shortlist |
Tagsno overlap | FacilitationPrioritizationVotingInclusion | BrainstormingIdeationFacilitationInclusionCreativity | BrainstormingIdeationCreativityRisk | BrainstormingIdeationCreativityDivergenceWorkshop |