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| Criterion |  Product Discovery Problem Interview |  Architecture Architecture Inception Canvas |  Product Discovery Fake Door Test |  Product Discovery Learning Card |
|---|---|---|---|---|
Purposedifferent | When the picture of the problem still needs to become solid, it asks about real situations and consequences. It separates genuine suffering from mere interest in a solution. | The Architecture Inception Canvas bundles the first architecture questions into a compact decision picture. It fits when an initiative is still in motion but still needs clear guardrails. | 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. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 30-60 min je Interview | 1-2 h | 1-5 Tage | 25-40 min |
Participantsdifferent | 5-12 Interviews | 3-8 | Nutzertraffic | 1-5 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | Problem Evidence, Risk Notes, Customer Segments | Inception Canvas, Risks, Goal List, Open Questions | Click Data, Interest Signal, Learning Decision | Learning Card with evidence and next action |
Tagsno overlap | DiscoveryInterviewsValidation | AlignmentArchitectureCanvas | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryLearning |