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| Criterion |  Product Discovery Problem Interview |  UX Design Customer Journey Canvas |  Product Discovery Experiment Canvas |  UX Design Lean UX Canvas |
|---|---|---|---|---|
Purposedifferent | When the picture of the problem still needs to become solid, it asks about real situations and consequences. It separates genuine suffering from mere interest in a solution. | 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. | When experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. | 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 | Medium | Medium | Low | Medium |
Timedifferent | 30-60 min je Interview | 1-3 h | 30-60 min | 2-3 h |
Participantsdifferent | 5-12 Interviews | 3-10 | 1-5 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Problem Evidence, Risk Notes, Customer Segments | Customer Journey Canvas, Pain Points, Experience Opportunities | Completed Experiment Canvas, Success Metric | Completed Lean UX Canvas, Hypothesis list, First experiment |
Tagsno overlap | DiscoveryInterviewsValidation | JourneyCustomerService designCanvas | ExperimentsValidationDiscoveryHypothesis | CanvasHypothesisOutcomesDiscovery |