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| Criterion |  Decision Making Constraint Analysis |  Decision Making Decision Tree |  Operations MORT Analysis |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | 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 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 risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. |
Complexitydifferent | Low | Medium | High | Medium |
Timedifferent | 30-90 min | 30-90 min | Mehrere Tage bis Wochen | 2-4 h |
Participantsdifferent | 2-8 | 1-6 | 2-6 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Decision Tree, Option Map, Assumption List | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | ConstraintsDecisionPlanningOptions | DecisionTreeOptions | Root causeSafetySystemicIncident | Root causeSafetyIncident |