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| Criterion |  Engineering Failure Scenario Analysis |  Knowledge Modeling IBIS |  Decision Making Decision Tree |
|---|---|---|---|
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. | IBIS structures thinking about complex questions as a sequence of issues, ideas, and arguments. The method keeps discussions open without forcing them into premature consensus. | 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 1-3 h | 1-3 h | 30-90 min |
Participantsdifferent | 3-8 | 2-8 | 1-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Issue Map, Positions, Argument Notes | Decision Tree, Option Map, Assumption List |
Tagsno overlap | FailureResilienceRisk | RationaleKnowledgeDecision | DecisionTreeOptions |
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