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| Criterion |  Product Discovery Problem Interview |  UX Research Tree Testing |  Product Discovery Test Card |  UX Research First-click Testing |
|---|---|---|---|---|
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 navigation exists but search paths still fail, tree testing checks findability without visual distraction. The method shows whether labels, levels, and paths really lead to the intended destination. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | When users immediately turn the wrong way on a screen or wireframe, first click testing checks initial orientation at high speed. The first click shows early whether expectation, labeling, and wayfinding fit together. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 30-60 min je Interview | 1-2 Tage | 20-35 min | 1-2 Tage |
Participantsdifferent | 5-12 Interviews | Based on research question | 1-5 | 10-30 |
Formatdifferent | Workshop + async | Async | Workshop + async | Async |
Outputdifferent | Problem Evidence, Risk Notes, Customer Segments | Findability Metrics, Path Analysis, Revised IA | Test Card with a pre-set threshold | Click Heatmap, Success Rate, Design Recommendations |
Tagsno overlap | DiscoveryInterviewsValidation | Information architectureNavigationFindability | ExperimentsValidationDiscoveryHypothesis | UXNavigationFindabilityValidation |