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| Criterion |  Operations Barrier Analysis |  Systems Thinking System Dynamics Simulation |  Operations MORT Analysis |
|---|---|---|---|
Purposedifferent | 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. | System Dynamics Simulation makes assumptions about time, delay, and feedback testable through experiments. It draws relationships, patterns, and feedback loops. The result is captured as a simulation model and scenario reports. | 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 | High | High |
Timedifferent | 2-4 h | Mehrere Tage bis Wochen | Mehrere Tage bis Wochen |
Participantsdifferent | 2-6 | 1-5 Modellierende, Stakeholder asynchron | 2-6 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Simulation Model, Scenario Reports | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations |
Tagsno overlap | Root causeSafetyIncident | Systems thinkingDynamicsSimulationAnalysis | Root causeSafetySystemicIncident |
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