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| Criterion |  Product Strategy Product Canvas |  Product Discovery Learning Card |  Decision Making Assumption Surfacing |  Product Discovery Fake Door Test |
|---|---|---|---|---|
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. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | 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. | When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 1-2 h | 25-40 min | 45-90 min | 1-5 Tage |
Participantsdifferent | 2-8 | 1-5 | 2-8 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Product Canvas, Product Assumptions, Scope Notes | Learning Card with evidence and next action | Assumption List, Critical Assumptions, Learning Plan | Click Data, Interest Signal, Learning Decision |
Tags1 shared | CanvasDiscoveryScope | ExperimentsValidationDiscoveryLearning | AssumptionsRiskDecisionDiscovery | ValidationExperimentsDemandDiscovery |