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| Criterion |  UX Research Card Sorting |  UX Research First-click Testing |  UX Research Usability Testing |  Product Discovery Solution Interview |
|---|---|---|---|---|
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 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 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 a solution idea is already on the table, it checks how it is understood and evaluated. It looks for resonance, objections, and missing fit early in the conversation. |
Complexitydifferent | Low | Low | Medium | Medium |
Timedifferent | 20-45 min | 1-2 Tage | 1-2 h je Session | 30-60 min je Interview |
Participantsdifferent | Based on research question | 10-30 | Based on research question | 5-10 Interviews |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Content groups, Label set, IA hypotheses | Click Heatmap, Success Rate, Design Recommendations | Usability Issues, Severity List, Recommendations | Solution Feedback, Objection List, Validation Notes |
Tagsno overlap | Information architectureNavigationStructure | UXNavigationFindabilityValidation | ValidationUXPrototype | ValidationInterviewsPrototype |