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| Criterion |  UX Design Customer Journey Canvas |  Product Discovery Problem Interview |  Product Discovery Fake Door Test |  Product Discovery Opportunity Interview |
|---|---|---|---|---|
Purposedifferent | 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 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 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. | When opportunities are still hidden behind signals of need, it structures conversations around needs and obstacles. It looks for patterns that lead to new product opportunities. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 1-3 h | 30-60 min je Interview | 1-5 Tage | 30-60 min je Interview |
Participantsdifferent | 3-10 | 5-12 Interviews | Nutzertraffic | 5-12 Interviews |
Formatdifferent | Workshop | Workshop + async | Async | Workshop + async |
Outputdifferent | Customer Journey Canvas, Pain Points, Experience Opportunities | Problem Evidence, Risk Notes, Customer Segments | Click Data, Interest Signal, Learning Decision | Interview Notes, Opportunity Themes, Customer Quotes |
Tagsno overlap | JourneyCustomerService designCanvas | DiscoveryInterviewsValidation | ValidationExperimentsDemandDiscovery | DiscoveryInterviewsOpportunityCustomer |