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| Criterion |  Systems Thinking Stock and Flow Diagram |  Operations MORT Analysis |  Operations Family Tree Analysis |
|---|---|---|---|
Purposedifferent | A Stock and Flow Diagram shows how stocks, inflows, and outflows shape a system over time. It is especially suited when growth, delays, or capacity limits determine the dynamics. | 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 series of incidents with a similar pattern, the method arranges individual events as branches of a common origin. It makes visible which conditions keep recurring. |
Complexitydifferent | High | High | Medium |
Timedifferent | 2-6 h | Mehrere Tage bis Wochen | 2-4 h |
Participantsdifferent | 1-6 | 2-6 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Stock and Flow Model, Dynamics Notes, Simulation Hypotheses | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Family Tree Diagram, Pattern Notes, Systemic Measures |
Tagsno overlap | DynamicsSimulationFeedbackSystems thinking | Root causeSafetySystemicIncident | Root causePatternsIncidentSystemic |
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