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| Criterion |  UX Research Usability Testing |  UX Research Affinity Diagramming |  UX Research First-click Testing |  Product Discovery Solution Interview |
|---|---|---|---|---|
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 research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | 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 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 | Medium | Low | Low | Medium |
Timedifferent | 1-2 h je Session | 45–90 min | 1-2 Tage | 30-60 min je Interview |
Participantsdifferent | Based on research question | 3-10 | 10-30 | 5-10 Interviews |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | Usability Issues, Severity List, Recommendations | Theme clusters, Insight statements, Opportunity areas | Click Heatmap, Success Rate, Design Recommendations | Solution Feedback, Objection List, Validation Notes |
Tagsno overlap | ValidationUXPrototype | SynthesisQualitativeRoot cause | UXNavigationFindabilityValidation | ValidationInterviewsPrototype |