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| Criterion |  Operations Barrier Analysis |  Systems Thinking System Dynamics Simulation |  Operations Root Cause 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. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | 2-4 h | Mehrere Tage bis Wochen | 1-4 h |
Participantsdifferent | 2-6 | 1-5 Modellierende, Stakeholder asynchron | 3-8 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Simulation Model, Scenario Reports | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | Root causeSafetyIncident | Systems thinkingDynamicsSimulationAnalysis | Root causeProblem solvingQualityIncident |
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