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| Criterion |  Decision Making Wideband Delphi |  Operations Barrier Analysis |  Operations MORT Analysis |
|---|---|---|---|
Purposedifferent | A single opinion rarely holds up for planning when the future is genuinely uncertain. It separates options, evaluation criteria, and open risks. The result is captured as an Estimate Range, Assumption Log, and Expert Consensus Notes. | 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. | 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 | Medium | High |
Timedifferent | 1-4 h or multiple rounds | 2-4 h | Mehrere Tage bis Wochen |
Participantsdifferent | 4-12 Experten | 2-6 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Estimate Range, Assumption Log, Expert Consensus Notes | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations |
Tagsno overlap | EstimationExpertsForecasting | Root causeSafetyIncident | Root causeSafetySystemicIncident |
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