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| Criterion |  Facilitation Nominal Group Technique |  Knowledge Modeling IBIS |  Knowledge Modeling Concept Mapping |  Facilitation Dot Voting |
|---|---|---|---|---|
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. | Concept Mapping arranges terms and relationships in a network that makes subject-matter connections tangible. It fits when a topic needs to be understood structurally rather than linearly. | When a workshop has produced too many options and the group needs to condense quickly, dot voting makes preferences visible in a short time. It bundles individual votes into a solid signal for the next selection. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 60-120 min | 1-3 h | 1-2 h | 5-15 min |
Participantsdifferent | 5-12 | 2-8 | 1-8 | 3-20 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Ranked Ideas, Clarified Options, Group Priority | Issue Map, Positions, Argument Notes | Concept Map, Relationship Labels, Knowledge Gaps | Ranked list, Consensus signal, Shortlist |
Tagsno overlap | FacilitationPrioritizationVotingInclusion | RationaleKnowledgeDecision | KnowledgeConceptsMappingSensemaking | FacilitationVotingConsensusPrioritization |