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| Criterion |  Operations ABC Analysis |  Operations MORT Analysis |  Operations Fishbone Diagram |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | 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 a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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 | Low | High | Low | Medium |
Timedifferent | 30-60 min | Mehrere Tage bis Wochen | 30-60 min | 2-4 h |
Participantsdifferent | 1-5 | 2-6 | 2-8 | 2-6 |
Formatdifferent | Async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | ABC Classification, Focus Rules, Control List | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Fishbone Diagram, Cause Categories, Investigation Backlog | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | PrioritizationOperationsPortfolio | Root causeSafetySystemicIncident | Root causeQualityOperations | Root causeSafetyIncident |