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| Criterion |  Architecture Architecture Decision Record |  Facilitation Consensus Workshop |  Facilitation 3-Circle Venn Diagram |
|---|---|---|---|
Purposedifferent | 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. | 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 | Low |
Timedifferent | 15-45 min | 1-3 h | 15-45 min |
Participantsdifferent | 1-3 | 5-30 | 2-8 |
Formatdifferent | Async | Workshop | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Consensus Clusters, Theme Titles, Priority Areas | Venn Diagram, Overlap Notes, Differentiators |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | FacilitationConsensusWorkshopAlignment | ComparisonFacilitationAlignment |
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