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| Criterion |  Product Strategy Lean Canvas |  Operations Fault Tree Analysis |  Decision Making Assumption Surfacing |
|---|---|---|---|
Purposedifferent | When an early product bet still has too many open points, it brings target group, problem, and assumptions into a single view. It condenses the idea so core risks become nameable. | 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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. |
Complexitydifferent | Medium | High | Low |
Timedifferent | 45-90 min | 2-6 h | 45-90 min |
Participantsdifferent | 1-6 | 3-8 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Lean Canvas, Core Assumptions, Experiment Backlog | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | StartupLeanAssumptionsBusiness model | RiskRoot causeSafety | AssumptionsRiskDecisionDiscovery |
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