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| Criterion |  UX Design Customer Journey Canvas |  Product Discovery Test Card |  Product Discovery Learning Card |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | 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 | 1-3 h | 20-35 min | 25-40 min | 1-5 Tage |
Participantsdifferent | 3-10 | 1-5 | 1-5 | Nutzertraffic |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Async |
Outputdifferent | Customer Journey Canvas, Pain Points, Experience Opportunities | Test Card with a pre-set threshold | Learning Card with evidence and next action | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | JourneyCustomerService designCanvas | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryLearning | ValidationExperimentsDemandDiscovery |