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| Criterion | ![]() Operations Fault Tree Analysis | ![]() Facilitation Lean Coffee | ![]() Operations MORT Analysis |
|---|---|---|---|
Purposedifferent | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | When a group without a fixed agenda needs to get into useful conversations quickly, Lean Coffee structures the start around interests rather than a presentation. The group itself negotiates which topics get time first and which wait. | 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 | High | Low | High |
Timedifferent | 2-6 h | 30-90 min | Mehrere Tage bis Wochen |
Participantsdifferent | 3-8 | 3-20 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Prioritized Topics, Discussion Notes, Action Items | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations |
Tagsno overlap | RiskRoot causeSafety | FacilitationAutonomyDialogue | Root causeSafetySystemicIncident |
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