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| Criterion |  UX Research Card Sorting |  UX Research Usability Testing |  Innovation Brainstorming |  Innovation Lotus Blossom |
|---|---|---|---|---|
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 a team faces an open question with many obvious directions, the method first creates breadth instead of premature commitment. It separates idea flow from evaluation and makes lines of thought visible, creating a pool for selection and further development. | When a central question feels too large, the method breaks it into neighboring topic fields with their own depth of ideation. It holds structure and openness at the same time, so adjacent perspectives don't get lost. This grows an idea space out of a core problem. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 20-45 min | 1-2 h je Session | 30-60 min | 45-90 min |
Participantsdifferent | Based on research question | Based on research question | 4-12 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Content groups, Label set, IA hypotheses | Usability Issues, Severity List, Recommendations | Idea pool, Theme clusters, Shortlist | Lotus Diagram, Idea Themes, Shortlist |
Tagsno overlap | Information architectureNavigationStructure | ValidationUXPrototype | BrainstormingIdeationCreativityWorkshopDivergence | BrainstormingIdeationCreativityDivergenceWorkshop |