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| Criterion |  Product Discovery Test Card |  UX Design Customer Journey Canvas |  Product Discovery Fake Door Test |
|---|---|---|---|
Purposedifferent | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | When a journey needs to be understood across several phases, it arranges experience, touchpoints, and opportunities into one picture. It makes gaps and friction along the user path clear. | 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 | Low | Medium | Medium |
Timedifferent | 20-35 min | 1-3 h | 1-5 Tage |
Participantsdifferent | 1-5 | 3-10 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop | Async |
Outputdifferent | Test Card with a pre-set threshold | Customer Journey Canvas, Pain Points, Experience Opportunities | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | ExperimentsValidationDiscoveryHypothesis | JourneyCustomerService designCanvas | ValidationExperimentsDemandDiscovery |
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