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| Criterion |  UX Design Lean UX Canvas |  UX Research User Interviews |  Product Discovery Learning 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. | When teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | 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 | 2-3 h | 30–60 min per interview | 25-40 min | 1-5 Tage |
Participantsdifferent | 3-8 | 1 participant per interview | 1-5 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Completed Lean UX Canvas, Hypothesis list, First experiment | Interview Notes, Themes, Insight Summary | Learning Card with evidence and next action | Click Data, Interest Signal, Learning Decision |
Tags1 shared | CanvasHypothesisOutcomesDiscovery | QualitativeResearchCustomerDiscovery | ExperimentsValidationDiscoveryLearning | ValidationExperimentsDemandDiscovery |