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| Criterion |  Decision Making DACI |  DevOps Blameless Postmortem |  Decision Making Trade-off Analysis |  Decision Making Decision Rights Mapping |
|---|---|---|---|---|
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. | After an incident with damage or a near miss, the method creates a sober field for learning without assigning blame. It directs attention to the course of events, conditions, and effective countermeasures. | With limited resources, quality, speed, cost, and risk almost always compete with each other. Trade-off Analysis makes these tensions explicit and prevents decisions from producing hidden side effects. | In organizations with many stakeholders, it often blurs who actually decides and who is merely consulted. It separates options, evaluation criteria, and open risks. The result is captured as a Decision Rights matrix and an agreement. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 30-60 min | 30-90 min | 45-120 min | 90-180 min |
Participantsdifferent | 2-10 | 3-12 | 2-8 | 4-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | DACI Matrix, Decision Owner, Decision Log | Postmortem Doc, Action Items, Timeline | Trade-off Matrix, Criteria List, Decision Rationale, Accepted Downsides | Decision Rights Matrix, Agreement |
Tagsno overlap | DecisionRolesGovernanceAlignment | Site Reliability EngineeringIncidentLearningReliability | TradeoffsDecisionCriteriaOptions | DecisionGovernanceAlignmentResponsibility |