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| Criterion |  Engineering Failure Scenario Analysis |  DevOps Blameless Postmortem |  Decision Making Decision Tree |
|---|---|---|---|
Purposedifferent | In critical processes, it is not enough to plan only for the normal case. Failure Scenario Analysis looks at the path into failure and shows which failures, chains, and control gaps cause the most damage. | 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. | For decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 1-3 h | 30-90 min | 30-90 min |
Participantsdifferent | 3-8 | 3-12 | 1-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Postmortem Doc, Action Items, Timeline | Decision Tree, Option Map, Assumption List |
Tagsno overlap | FailureResilienceRisk | Site Reliability EngineeringIncidentLearningReliability | DecisionTreeOptions |
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