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| Criterion |  Architecture Architecture Decision Record |  Decision Making Pre-Mortem |  Decision Making RAPID |  Decision Making DACI |
|---|---|---|---|---|
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. | 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. | 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. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 15-45 min | 20–45 min | 45-90 min | 30-60 min |
Participantsdifferent | 1-3 | Small cross-functional group | 3-12 | 2-10 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Risk list, Mitigation plan, Assumption log | RAPID Role Map, Recommendation, Decision Log | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | RiskDecisionFailurePlanning | DecisionRolesGovernance | DecisionRolesGovernanceAlignment |