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| Criterion |  Knowledge Modeling IBIS |  Decision Making Argument Mapping |  Facilitation 3-Circle Venn Diagram |  Facilitation Consensus Workshop |
|---|---|---|---|---|
Purposedifferent | 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 statements, evidence, and counterarguments get mixed up, a debate quickly loses its structure. Argument Mapping breaks a thesis down into its reasoning and makes visible what it really rests on. | When three perspectives matter at the same time, a Three-Circle Venn Diagram shows the overlaps and remainders precisely. It makes visible where shared effect arises and where only a partial perspective applies. | When a group needs a solid decision without outvoting individual factions, a Consensus Workshop creates a negotiable common ground. It makes agreement, reservations, and open tensions discussable at the same time. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 1-3 h | 1-3 h | 15-45 min | 1-3 h |
Participantsdifferent | 2-8 | 1-8 | 2-8 | 5-30 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Issue Map, Positions, Argument Notes | Argument Map, Evidence Gaps, Decision Rationale | Venn Diagram, Overlap Notes, Differentiators | Consensus Clusters, Theme Titles, Priority Areas |
Tagsno overlap | RationaleKnowledgeDecision | SensemakingDecisionRationale | ComparisonFacilitationAlignment | FacilitationConsensusWorkshopAlignment |