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| Criterion |  Decision Making Constraint Analysis |  Knowledge Modeling IBIS |  Facilitation Consensus Workshop |  Facilitation 3-Circle Venn Diagram |
|---|---|---|---|---|
Purposedifferent | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | 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 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. | 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. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 30-90 min | 1-3 h | 1-3 h | 15-45 min |
Participantsdifferent | 2-8 | 2-8 | 5-30 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Issue Map, Positions, Argument Notes | Consensus Clusters, Theme Titles, Priority Areas | Venn Diagram, Overlap Notes, Differentiators |
Tagsno overlap | ConstraintsDecisionPlanningOptions | RationaleKnowledgeDecision | FacilitationConsensusWorkshopAlignment | ComparisonFacilitationAlignment |