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| Criterion |  UX Research Card Sorting |  Product Discovery Problem Interview |  UX Research First-click Testing |  Product Discovery Experiment Canvas |
|---|---|---|---|---|
Purposedifferent | When content only makes sense internally and users can't find the structure again, card sorting exposes their mental order. Terms, groups, and naming are then aligned with the target group's expectations. | 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 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. | 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 | Low | Medium | Low | Low |
Timedifferent | 20-45 min | 30-60 min je Interview | 1-2 Tage | 30-60 min |
Participantsdifferent | Based on research question | 5-12 Interviews | 10-30 | 1-5 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | Content groups, Label set, IA hypotheses | Problem Evidence, Risk Notes, Customer Segments | Click Heatmap, Success Rate, Design Recommendations | Completed Experiment Canvas, Success Metric |
Tagsno overlap | Information architectureNavigationStructure | DiscoveryInterviewsValidation | UXNavigationFindabilityValidation | ExperimentsValidationDiscoveryHypothesis |