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| Criterion |  Operations Fault Tree Analysis |  Operations MORT Analysis |  Decision Making Argument Mapping |
|---|---|---|---|
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. | 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. | When statements, evidence, and counterarguments get mixed up, a debate quickly loses its structure. Argument Mapping breaks a thesis down into its reasoning and makes visible what it really rests on. |
Complexitydifferent | High | High | Medium |
Timedifferent | 2-6 h | Mehrere Tage bis Wochen | 1-3 h |
Participantsdifferent | 3-8 | 2-6 | 1-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Argument Map, Evidence Gaps, Decision Rationale |
Tagsno overlap | RiskRoot causeSafety | Root causeSafetySystemicIncident | SensemakingDecisionRationale |
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