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| Criterion |  Operations ABC Analysis |  Operations Fault Tree Analysis |  Operations MORT Analysis |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | 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 process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. |
Complexitydifferent | Low | High | High | High |
Timedifferent | 30-60 min | 2-6 h | Mehrere Tage bis Wochen | 2-6 h |
Participantsdifferent | 1-5 | 3-8 | 2-6 | 3-10 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | ABC Classification, Focus Rules, Control List | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | MORT Worksheets, Findings per Branch, Corrective Actions, Systemic Recommendations | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | PrioritizationOperationsPortfolio | RiskRoot causeSafety | Root causeSafetySystemicIncident | RiskQualityOperationsRoot cause |