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| Criterion |  Operations Root Cause Tree Analysis |  Operations MORT Analysis |  Decision Making Pareto Analysis |
|---|---|---|---|
Purposedifferent | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. | 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. | In many problem situations, effect is distributed unequally across many causes. A Pareto Analysis separates the few drivers with high leverage from the long remainder and focuses attention on what measurably moves the needle. |
Complexitydifferent | Medium | High | Low |
Timedifferent | 1-3 h | Mehrere Tage bis Wochen | 30-60 min |
Participantsdifferent | 2-8 | 2-6 | 1-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Cause Tree, Evidence Notes, Countermeasures | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | Pareto Chart, Top Causes, Focus List |
Tags1 shared | Root causeTreeIncidentQuality | Root causeSafetySystemicIncident | PrioritizationQualityFocusRoot cause |
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