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| Criterion |  Decision Making Decision Tree |  DevOps Blameless Postmortem |  Operations MORT Analysis |  Operations Root Cause Tree Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | 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 a safety-relevant event or a system with high protection requirements, the method examines where controls failed. It exposes both technical and organizational gaps. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. |
Complexitydifferent | Medium | Medium | High | Medium |
Timedifferent | 30-90 min | 30-90 min | Mehrere Tage bis Wochen | 1-3 h |
Participantsdifferent | 1-6 | 3-12 | 2-6 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Decision Tree, Option Map, Assumption List | Postmortem Doc, Action Items, Timeline | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Cause Tree, Evidence Notes, Countermeasures |
Tagsno overlap | DecisionTreeOptions | Site Reliability EngineeringIncidentLearningReliability | Root causeSafetySystemicIncident | Root causeTreeIncidentQuality |