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| Criterion |  Operations Fishbone Diagram |  Operations MORT Analysis |  Operations Barrier Analysis |
|---|---|---|---|
Purposedifferent | 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 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 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 | Medium |
Timedifferent | 30-60 min | Mehrere Tage bis Wochen | 2-4 h |
Participantsdifferent | 2-8 | 2-6 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Fishbone Diagram, Cause Categories, Investigation Backlog | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tags1 shared | Root causeQualityOperations | Root causeSafetySystemicIncident | Root causeSafetyIncident |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
