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| Criterion |  Product Discovery Fake Door Test |  Product Strategy Impact Mapping |  UX Design Lean UX Canvas |  Product Discovery Test 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. | When a goal needs to be connected to several possible paths, it shows chains of impact instead of feature lists. It connects business goal, behavior change, and measures. | 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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 1-5 Tage | 45-90 min | 2-3 h | 20-35 min |
Participantsdifferent | Nutzertraffic | 3-8 | 3-8 | 1-5 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Click Data, Interest Signal, Learning Decision | Impact Map, Outcome Hypotheses, Delivery Options | Completed Lean UX Canvas, Hypothesis list, First experiment | Test Card with a pre-set threshold |
Tagsno overlap | ValidationExperimentsDemandDiscovery | OutcomesStrategyBehaviorPlanning | CanvasHypothesisOutcomesDiscovery | ExperimentsValidationDiscoveryHypothesis |