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| Criterion |  Operations Barrier Analysis |  Operations 8D Problem Solving |  Operations Family Tree Analysis |
|---|---|---|---|
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. | For a series of incidents with a similar pattern, the method arranges individual events as branches of a common origin. It makes visible which conditions keep recurring. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | 2-4 h | 1-6 Wochen | 2-4 h |
Participantsdifferent | 2-6 | 4-10 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Family Tree Diagram, Pattern Notes, Systemic Measures |
Tags1 shared | Root causeSafetyIncident | QualityProblem solvingRoot cause | Root causePatternsIncidentSystemic |
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