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| Criterion |  UX Research Usability Testing |  UX Research Card Sorting |  Product Discovery Test Card |  UX Research First-click Testing |
|---|---|---|---|---|
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 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. | 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 | Low | Low | Low |
Timedifferent | 1-2 h je Session | 20-45 min | 20-35 min | 1-2 Tage |
Participantsdifferent | Based on research question | Based on research question | 1-5 | 10-30 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Usability Issues, Severity List, Recommendations | Content groups, Label set, IA hypotheses | Test Card with a pre-set threshold | Click Heatmap, Success Rate, Design Recommendations |
Tagsno overlap | ValidationUXPrototype | Information architectureNavigationStructure | ExperimentsValidationDiscoveryHypothesis | UXNavigationFindabilityValidation |