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| Criterion |  Facilitation Nominal Group Technique |  Knowledge Modeling IBIS |  Facilitation 1-2-4-All |  Innovation Round Robin Brainstorming |
|---|---|---|---|---|
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. | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. | When many people in a group too rarely get to speak, 1-2-4-All distributes thinking time more fairly. The format builds participation step by step and makes quiet or still-unformed thoughts usable faster. | 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. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 60-120 min | 1-3 h | 10-20 min | 20-45 min |
Participantsdifferent | 5-12 | 2-8 | 4-100+ | 4-10 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Ranked Ideas, Clarified Options, Group Priority | Issue Map, Positions, Argument Notes | Idea List, Shared Insights, Emergent Themes | Idea List, Cluster, Shortlist |
Tagsno overlap | FacilitationPrioritizationVotingInclusion | RationaleKnowledgeDecision | FacilitationInclusionIdeation | BrainstormingIdeationFacilitationInclusionCreativity |