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| Criterion |  Product Discovery Fake Door Test |  Architecture Risk Storming |  Product Discovery Test Card |  Product Discovery Learning Card |
|---|---|---|---|---|
Purposedifferent | 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. | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 1-5 Tage | 60-90 min | 20-35 min | 25-40 min |
Participantsdifferent | Nutzertraffic | 4-12 | 1-5 | 1-5 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Click Data, Interest Signal, Learning Decision | Annotated Diagram, Prioritized Risk List, Action Backlog | Test Card with a pre-set threshold | Learning Card with evidence and next action |
Tags1 shared | ValidationExperimentsDemandDiscovery | RiskArchitectureWorkshopValidation | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryLearning |