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| Criterion |  Decision Making Pre-Mortem |  DevOps Incident Command |  Operations 5 Whys |
|---|---|---|---|
Purposedifferent | 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. | During an acute incident with several people involved, the method creates a clear leadership and communication structure. It reduces chaos when fast coordination and clean situational awareness are both needed at once. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 20–45 min | As needed | 15-30 min |
Participantsdifferent | Small cross-functional group | 4-15 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Risk list, Mitigation plan, Assumption log | Incident Log, Action Tracker, Stakeholder Updates | Root cause notes, Countermeasures |
Tagsno overlap | RiskDecisionFailurePlanning | IncidentOperationsReliability | Root causeIncidentLeanProblem solving |
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