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| Criterion |  Decision Making DACI |  Decision Making RAPID |  Architecture Architecture Communication Canvas |  Architecture Architecture Inception Canvas |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | 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 | Low | Medium | Medium | Low |
Timedifferent | 30-60 min | 45-90 min | 60-120 min | 1-2 h |
Participantsdifferent | 2-10 | 3-12 | 2-8 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | DACI Matrix, Decision Owner, Decision Log | RAPID Role Map, Recommendation, Decision Log | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Inception Canvas, Risks, Goal List, Open Questions |
Tagsno overlap | DecisionRolesGovernanceAlignment | DecisionRolesGovernance | ArchitectureCommunicationStakeholdersCanvas | AlignmentArchitectureCanvas |