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| Criterion |  Product Strategy Product Canvas |  Operations Barrier Analysis |  Decision Making Assumption Surfacing |  Operations Fault Tree Analysis |
|---|---|---|---|---|
Purposedifferent | When product goal and feature scope don't yet fit cleanly together, it creates a shared working picture. It connects need, core features, and assumptions into a solid starting point. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | 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. | 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. |
Complexitydifferent | Medium | Medium | Low | High |
Timedifferent | 1-2 h | 2-4 h | 45-90 min | 2-6 h |
Participantsdifferent | 2-8 | 2-6 | 2-8 | 3-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Product Canvas, Product Assumptions, Scope Notes | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Assumption List, Critical Assumptions, Learning Plan | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions |
Tagsno overlap | CanvasDiscoveryScope | Root causeSafetyIncident | AssumptionsRiskDecisionDiscovery | RiskRoot causeSafety |