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| Criterion |  UX Research Usability Testing |  Product Discovery Opportunity Interview |  Product Discovery Learning Card |  Product Discovery Opportunity Solution Tree |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | When discovery keeps swinging between goals, ideas, and learning loops, it creates clear steering logic. It connects the desired outcome, opportunities, and experiments into a legible structure. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 1-2 h je Session | 30-60 min je Interview | 25-40 min | 1-2 h Setup, laufend |
Participantsdifferent | Based on research question | 5-12 Interviews | 1-5 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Usability Issues, Severity List, Recommendations | Interview Notes, Opportunity Themes, Customer Quotes | Learning Card with evidence and next action | Opportunity Solution Tree, Experiment Backlog, Learning Log |
Tagsno overlap | ValidationUXPrototype | DiscoveryInterviewsOpportunityCustomer | ExperimentsValidationDiscoveryLearning | DiscoveryOutcomesExperimentsOpportunity |