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| Criterion |  Decision Making RAPID |  Decision Making DACI |  Architecture Architecture Decision Record |  Architecture Architecture Inception Canvas |
|---|---|---|---|---|
Purposedifferent | In complex management decisions, clarity is often missing about who recommends, who agrees, and who makes the decision. RAPID creates this assignment and stabilizes decisions across several levels. | 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. | 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. | The Architecture Inception Canvas bundles the first architecture questions into a compact decision picture. It fits when an initiative is still in motion but still needs clear guardrails. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 45-90 min | 30-60 min | 15-45 min | 1-2 h |
Participantsdifferent | 3-12 | 2-10 | 1-3 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop |
Outputdifferent | RAPID Role Map, Recommendation, Decision Log | DACI Matrix, Decision Owner, Decision Log | ADR File, Decision Log, Rationale | Inception Canvas, Risks, Goal List, Open Questions |
Tagsno overlap | DecisionRolesGovernance | DecisionRolesGovernanceAlignment | ArchitectureRationaleDocumentationGovernance | AlignmentArchitectureCanvas |