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| Criterion |  Engineering Failure Scenario Analysis |  Operations Fishbone Diagram |  Operations Failure Mode and Effects 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. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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 | Medium | Low | High |
Timedifferent | 1-3 h | 30-60 min | 2-6 h |
Participantsdifferent | 3-8 | 2-8 | 3-10 |
Formatsame | Workshop | Workshop | Workshop |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Fishbone Diagram, Cause Categories, Investigation Backlog | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | FailureResilienceRisk | Root causeQualityOperations | RiskQualityOperationsRoot cause |
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