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| Criterion |  Operations Barrier Analysis |  Operations 8D Problem Solving |  Operations Fishbone Diagram |
|---|---|---|---|
Purposedifferent | 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 an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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. |
Complexitydifferent | Medium | High | Low |
Timedifferent | 2-4 h | 1-6 Wochen | 30-60 min |
Participantsdifferent | 2-6 | 4-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tags1 shared | Root causeSafetyIncident | QualityProblem solvingRoot cause | Root causeQualityOperations |
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