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| Criterion |  Engineering Failure Scenario Analysis |  Knowledge Modeling IBIS |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|
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. | When an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 1-3 h | 1-3 h | 1-2 Wochen pro Iteration |
Participantsdifferent | 3-8 | 2-8 | 2-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Failure Scenarios, Risk Notes, Control Gaps, Test and Response Actions | Issue Map, Positions, Argument Notes | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | FailureResilienceRisk | RationaleKnowledgeDecision | ExperimentsValidationDiscoveryAssumptions |
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