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| Criterion |  Product Discovery Dual-Track Agile |  UX Design Lean UX Canvas |  Product Discovery Fake Door Test |  Product Discovery Test Card |
|---|---|---|---|---|
Purposedifferent | When uncertainty and delivery run in parallel, it separates learning work from implementation while keeping both connected. It prevents unvalidated ideas from falling directly into the delivery stream. | 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. | 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 | Laufend, Wochen bis Monate | 2-3 h | 1-5 Tage | 20-35 min |
Participantsdifferent | 4-10 | 3-8 | Nutzertraffic | 1-5 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Discovery Backlog, Delivery Backlog, Experiment-Ergebnisse, Validierte Stories | Completed Lean UX Canvas, Hypothesis list, First experiment | Click Data, Interest Signal, Learning Decision | Test Card with a pre-set threshold |
Tags1 shared | AgileDiscoveryDelivery | CanvasHypothesisOutcomesDiscovery | ValidationExperimentsDemandDiscovery | ExperimentsValidationDiscoveryHypothesis |