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Selected:Failure Scenario AnalysisChange AnalysisFault Tree AnalysisFailure Mode and Effects Analysis
| Criterion |  Engineering Failure Scenario Analysis |  Operations Change Analysis |  Operations Fault Tree Analysis |  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. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | 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 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 | Medium | High | High |
Timedifferent | 1-3 h | 45-120 min | 2-6 h | 2-6 h |
Participantsdifferent | 3-8 | 2-6 | 3-8 | 3-10 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | FailureResilienceRisk | ChangeRoot causeTroubleshootingComparison | RiskRoot causeSafety | RiskQualityOperationsRoot cause |