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| Criterion |  Operations MORT Analysis |  Operations Fault Tree Analysis |  Decision Making Argument Mapping |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | 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 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 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. | 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. |
Complexitydifferent | High | High | Medium | Medium |
Timedifferent | Mehrere Tage bis Wochen | 2-6 h | 1-3 h | 2-4 h |
Participantsdifferent | 2-6 | 3-8 | 1-8 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Argument Map, Evidence Gaps, Decision Rationale | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | Root causeSafetySystemicIncident | RiskRoot causeSafety | SensemakingDecisionRationale | Root causeSafetyIncident |