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| Criterion |  UX Research User Interviews |  Product Discovery Test Card |  UX Design Customer Journey Canvas |  UX Design Lean UX Canvas |
|---|---|---|---|---|
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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | 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 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. |
Complexitydifferent | Low | Low | Medium | Medium |
Timedifferent | 30–60 min per interview | 20-35 min | 1-3 h | 2-3 h |
Participantsdifferent | 1 participant per interview | 1-5 | 3-10 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Test Card with a pre-set threshold | Customer Journey Canvas, Pain Points, Experience Opportunities | Completed Lean UX Canvas, Hypothesis list, First experiment |
Tagsno overlap | QualitativeResearchCustomerDiscovery | ExperimentsValidationDiscoveryHypothesis | JourneyCustomerService designCanvas | CanvasHypothesisOutcomesDiscovery |