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| Criterion |  Engineering Failure Scenario Analysis |  Operations ABC Analysis |  Operations Failure Mode and Effects Analysis |  Operations Fault Tree Analysis |
|---|---|---|---|---|
Purposedifferent | In critical processes, it is not enough to plan only for the normal case. Failure Scenario Analysis looks at the path into failure and shows which failures, chains, and control gaps cause the most damage. | 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 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. | 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. |
Complexitydifferent | Medium | Low | High | High |
Timedifferent | 1-3 h | 30-60 min | 2-6 h | 2-6 h |
Participantsdifferent | 3-8 | 1-5 | 3-10 | 3-8 |
Formatdifferent | Workshop | Async | Workshop | Workshop + async |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | ABC Classification, Focus Rules, Control List | FMEA Table, Risk Priority, Mitigation Actions | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions |
Tagsno overlap | FailureResilienceRisk | PrioritizationOperationsPortfolio | RiskQualityOperationsRoot cause | RiskRoot causeSafety |