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| Criterion |  Engineering Failure Scenario Analysis |  Operations Root Cause Tree Analysis |  Operations 8D Problem Solving |
|---|---|---|---|
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 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 an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. |
Complexitydifferent | Medium | Medium | High |
Timedifferent | 1-3 h | 1-3 h | 1-6 Wochen |
Participantsdifferent | 3-8 | 2-8 | 4-10 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Cause Tree, Evidence Notes, Countermeasures | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | FailureResilienceRisk | Root causeTreeIncidentQuality | QualityProblem solvingRoot cause |
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