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| Criterion |  UX Design Lean UX Canvas |  Product Discovery Fake Door Test |  Product Discovery Smoke Test |  Product Discovery Test Card |
|---|---|---|---|---|
Purposedifferent | The Lean UX Canvas helps clarify user behavior, touchpoints, and concept decisions. It makes assumptions and desired outcomes visible and captures the result as a completed canvas, hypothesis list, and first experiment. | 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. | When demand only needs to be roughly verified, it tests interest with minimal effort. It measures whether people would take a next step at all. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 2-3 h | 1-5 Tage | 1-5 Tage | 20-35 min |
Participantsdifferent | 3-8 | Nutzertraffic | Nutzertraffic | 1-5 |
Formatdifferent | Workshop + async | Async | Async | Workshop + async |
Outputdifferent | Completed Lean UX Canvas, Hypothesis list, First experiment | Click Data, Interest Signal, Learning Decision | Interest Metrics, Conversion Signal, Learning Note | Test Card with a pre-set threshold |
Tagsno overlap | CanvasHypothesisOutcomesDiscovery | ValidationExperimentsDemandDiscovery | ValidationExperimentsDemandGrowth | ExperimentsValidationDiscoveryHypothesis |