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| Criterion |  UX Research Usability Testing |  UX Research Affinity Diagramming |  UX Research Card Sorting |  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 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 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. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 1-2 h je Session | 45–90 min | 20-45 min | 1-2 Tage |
Participantsdifferent | Based on research question | 3-10 | Based on research question | 10-30 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Async |
Outputdifferent | Usability Issues, Severity List, Recommendations | Theme clusters, Insight statements, Opportunity areas | Content groups, Label set, IA hypotheses | Click Heatmap, Success Rate, Design Recommendations |
Tagsno overlap | ValidationUXPrototype | SynthesisQualitativeRoot cause | Information architectureNavigationStructure | UXNavigationFindabilityValidation |