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| Criterion |  Decision Making Trade-off Analysis |  DevOps Blameless Postmortem |  Decision Making DACI |  Decision Making Decision Matrix |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | 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. | When several options collide with several criteria, comparison quickly becomes subjective. A Decision Matrix makes the trade-off visible and brings weighting, criteria, and options into a shared logic. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 45-120 min | 30-90 min | 30-60 min | 45-90 min |
Participantsdifferent | 2-8 | 3-12 | 2-10 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Trade-off Matrix, Criteria List, Decision Rationale, Accepted Downsides | Postmortem Doc, Action Items, Timeline | DACI Matrix, Decision Owner, Decision Log | Decision Matrix, Scoring Rationale, Selected Option |
Tagsno overlap | TradeoffsDecisionCriteriaOptions | Site Reliability EngineeringIncidentLearningReliability | DecisionRolesGovernanceAlignment | DecisionCriteriaScoringTradeoffs |