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| Criterion |  Operations 8D Problem Solving |  Operations MORT Analysis |  Operations Family Tree Analysis |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | 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 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 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. | 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 | High | High | Medium | Medium |
Timedifferent | 1-6 Wochen | Mehrere Tage bis Wochen | 2-4 h | 2-4 h |
Participantsdifferent | 4-10 | 2-6 | 2-6 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Family Tree Diagram, Pattern Notes, Systemic Measures | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tags1 shared | QualityProblem solvingRoot cause | Root causeSafetySystemicIncident | Root causePatternsIncidentSystemic | Root causeSafetyIncident |