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| Criterion |  Product Strategy Product Canvas |  Product Discovery Assumption Mapping |  Architecture Architecture Communication Canvas |  Decision Making Assumption Surfacing |
|---|---|---|---|---|
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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | 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 | Medium | Medium | Low |
Timedifferent | 1-2 h | 45-60 min | 60-120 min | 45-90 min |
Participantssame | 2-8 | 2-8 | 2-8 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Product Canvas, Product Assumptions, Scope Notes | Assumption map, Test backlog, Risk ranking | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | CanvasDiscoveryScope | AssumptionsRiskExperimentsValidation | ArchitectureCommunicationStakeholdersCanvas | AssumptionsRiskDecisionDiscovery |