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| Criterion |  Decision Making Decision Tree |  Operations 5 Whys |  Operations MORT 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. | 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. | 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. |
Complexitydifferent | Medium | Low | High |
Timedifferent | 30-90 min | 15-30 min | Mehrere Tage bis Wochen |
Participantsdifferent | 1-6 | 2-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Decision Tree, Option Map, Assumption List | Root cause notes, Countermeasures | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations |
Tagsno overlap | DecisionTreeOptions | Root causeIncidentLeanProblem solving | Root causeSafetySystemicIncident |
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