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| Criterion |  Decision Making DACI |  Decision Making Pre-Mortem |  Architecture Architecture Decision Record |  Decision Making RAPID |
|---|---|---|---|---|
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 early initiatives with many uncertainties, planning quickly turns too optimistic. A pre-mortem makes the expected failure visible in advance and sharpens the view of causes, gaps, and countermeasures. | 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. | 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. |
Complexitydifferent | Low | Low | Low | Medium |
Timedifferent | 30-60 min | 20–45 min | 15-45 min | 45-90 min |
Participantsdifferent | 2-10 | Small cross-functional group | 1-3 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | DACI Matrix, Decision Owner, Decision Log | Risk list, Mitigation plan, Assumption log | ADR File, Decision Log, Rationale | RAPID Role Map, Recommendation, Decision Log |
Tagsno overlap | DecisionRolesGovernanceAlignment | RiskDecisionFailurePlanning | ArchitectureRationaleDocumentationGovernance | DecisionRolesGovernance |