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| Criterion |  UX Research Card Sorting |  UX Research Usability Testing |  Product Discovery Assumption Mapping |
|---|---|---|---|
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. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 20-45 min | 1-2 h je Session | 45-60 min |
Participantsdifferent | Based on research question | Based on research question | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Content groups, Label set, IA hypotheses | Usability Issues, Severity List, Recommendations | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | Information architectureNavigationStructure | ValidationUXPrototype | AssumptionsRiskExperimentsValidation |
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