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| Criterion |  Operations Fishbone Diagram |  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 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 | Medium |
Timedifferent | 30-60 min | 2-4 h |
Participantsdifferent | 2-8 | 2-6 |
Formatdifferent | Workshop | Workshop + async |
Outputdifferent | Fishbone Diagram, Cause Categories, Investigation Backlog | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tags1 shared | Root causeQualityOperations | Root causeSafetyIncident |
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