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| Criterion |  UX Research Card Sorting |  UX Research Usability Testing |  Innovation Brainwriting |
|---|---|---|---|
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 loud voices or hierarchy distort the idea search, the method creates a quiet entry into joint development. It gives everyone thinking space and gathers contributions without social brakes, making diversity more visible and easier to build on. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 20-45 min | 1-2 h je Session | 15-30 min |
Participantsdifferent | Based on research question | Based on research question | 3-12 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Content groups, Label set, IA hypotheses | Usability Issues, Severity List, Recommendations | Idea sheets, Expanded concepts, Prioritized list |
Tagsno overlap | Information architectureNavigationStructure | ValidationUXPrototype | BrainstormingCollaborationInclusionIdeas |
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