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| Criterion |  Knowledge Modeling IBIS |  Architecture Architecture Decision Record |  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. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | 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 | Low | Medium |
Timedifferent | 1-3 h | 15-45 min | 1-3 h |
Participantsdifferent | 2-8 | 1-3 | 5-30 |
Formatdifferent | Workshop + async | Async | Workshop |
Outputdifferent | Issue Map, Positions, Argument Notes | ADR File, Decision Log, Rationale | Consensus Clusters, Theme Titles, Priority Areas |
Tagsno overlap | RationaleKnowledgeDecision | ArchitectureRationaleDocumentationGovernance | FacilitationConsensusWorkshopAlignment |
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