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| Criterion |  UX Research Usability Testing |  UX Research Card Sorting |  Facilitation Nominal Group Technique |
|---|---|---|---|
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. | When loud voices could dominate a round, Nominal Group Technique protects individual thinking time from group effects. It collects ideas separately first and only then enables shared weighting. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 1-2 h je Session | 20-45 min | 60-120 min |
Participantsdifferent | Based on research question | Based on research question | 5-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Usability Issues, Severity List, Recommendations | Content groups, Label set, IA hypotheses | Ranked Ideas, Clarified Options, Group Priority |
Tagsno overlap | ValidationUXPrototype | Information architectureNavigationStructure | FacilitationPrioritizationVotingInclusion |
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