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| Criterion |  UX Research User Interviews |  UX Design Customer Journey Canvas |  Product Discovery Learning Card |  Product Discovery Fake Door Test |
|---|---|---|---|---|
Purposedifferent | 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. | When a journey needs to be understood across several phases, it arranges experience, touchpoints, and opportunities into one picture. It makes gaps and friction along the user path clear. | 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 | Low | Medium | Low | Medium |
Timedifferent | 30–60 min per interview | 1-3 h | 25-40 min | 1-5 Tage |
Participantsdifferent | 1 participant per interview | 3-10 | 1-5 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Customer Journey Canvas, Pain Points, Experience Opportunities | Learning Card with evidence and next action | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | QualitativeResearchCustomerDiscovery | JourneyCustomerService designCanvas | ExperimentsValidationDiscoveryLearning | ValidationExperimentsDemandDiscovery |