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| Criterion |  Operations Change Analysis |  Decision Making Decision Tree |  Engineering Failure Scenario Analysis |
|---|---|---|---|
Purposedifferent | 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 decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch. | 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 45-120 min | 30-90 min | 1-3 h |
Participantsdifferent | 2-6 | 1-6 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Decision Tree, Option Map, Assumption List | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions |
Tagsno overlap | ChangeRoot causeTroubleshootingComparison | DecisionTreeOptions | FailureResilienceRisk |
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