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| Criterion |  Product Discovery Problem Interview |  UX Research Usability Testing |  Innovation Design Thinking |  Product Discovery Experiment 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 product is built but people get stuck on tasks, usability testing shows the friction at concrete points. Observed use instead of self-report makes visible where orientation, understanding, or interaction breaks down. | For complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | 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. |
Complexitydifferent | Medium | Medium | High | Low |
Timedifferent | 30-60 min je Interview | 1-2 h je Session | 1 Tag bis mehrere Wochen | 30-60 min |
Participantsdifferent | 5-12 Interviews | Based on research question | 4-10 | 1-5 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Problem Evidence, Risk Notes, Customer Segments | Usability Issues, Severity List, Recommendations | Problem Statement, Prototype, Test Learnings | Completed Experiment Canvas, Success Metric |
Tagsno overlap | DiscoveryInterviewsValidation | ValidationUXPrototype | InnovationPrototypeResearch | ExperimentsValidationDiscoveryHypothesis |