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| Criterion |  UX Design Lean UX Canvas |  Operations Barrier Analysis |  Product Discovery Test Card |  Product Discovery Fake Door Test |
|---|---|---|---|---|
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. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | 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 | Medium | Low | Medium |
Timedifferent | 2-3 h | 2-4 h | 20-35 min | 1-5 Tage |
Participantsdifferent | 3-8 | 2-6 | 1-5 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Completed Lean UX Canvas, Hypothesis list, First experiment | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Test Card with a pre-set threshold | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | CanvasHypothesisOutcomesDiscovery | Root causeSafetyIncident | ExperimentsValidationDiscoveryHypothesis | ValidationExperimentsDemandDiscovery |