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| Criterion |  UX Research Card Sorting |  UX Research Usability Testing |  Decision Making Assumption Surfacing |  UX Research First-click Testing |
|---|---|---|---|---|
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 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. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | 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 | Low | Medium | Low | Low |
Timedifferent | 20-45 min | 1-2 h je Session | 45-90 min | 1-2 Tage |
Participantsdifferent | Based on research question | Based on research question | 2-8 | 10-30 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Content groups, Label set, IA hypotheses | Usability Issues, Severity List, Recommendations | Assumption List, Critical Assumptions, Learning Plan | Click Heatmap, Success Rate, Design Recommendations |
Tagsno overlap | Information architectureNavigationStructure | ValidationUXPrototype | AssumptionsRiskDecisionDiscovery | UXNavigationFindabilityValidation |