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| Criterion |  Facilitation Lean Coffee |  Architecture Architecture Decision Record |  Operations RACI Matrix |  Decision Making DACI |
|---|---|---|---|---|
Purposedifferent | When a group without a fixed agenda needs to get into useful conversations quickly, Lean Coffee structures the start around interests rather than a presentation. The group itself negotiates which topics get time first and which wait. | 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. | With unclear responsibilities across several roles or areas, the method creates unambiguous accountability logic. It reduces friction because decision, execution, contribution, and information become separately visible. | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 30-90 min | 15-45 min | 45-90 min | 30-60 min |
Participantsdifferent | 3-20 | 1-3 | 2-8 | 2-10 |
Formatdifferent | Workshop | Async | Workshop + async | Workshop + async |
Outputdifferent | Prioritized Topics, Discussion Notes, Action Items | ADR File, Decision Log, Rationale | RACI Matrix, Responsibility Map, Decision Notes | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | FacilitationAutonomyDialogue | ArchitectureRationaleDocumentationGovernance | RolesResponsibilityGovernanceOperations | DecisionRolesGovernanceAlignment |