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| Criterion |  UX Research Usability Testing |  UX Research Card Sorting |  Innovation Design Charrette |  Innovation Starbursting |
|---|---|---|---|---|
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. | In a tightly timed design process with many participants, the method pools several lines of thinking in a short time. It brings parallel design energy without letting the discussion tip into endless coordination. This quickly produces solid directions for architecture or space. | Helps clarify ideas, open questions, and testable next steps in concrete terms. It opens the thinking space, collects ideas, and leads to testable options. The result is captured as a star-shaped question map, question list, and assumption list. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 1-2 h je Session | 20-45 min | Halber Tag bis mehrere Tage | 30-60 min |
Participantsdifferent | Based on research question | Based on research question | 10-50 | 3-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Usability Issues, Severity List, Recommendations | Content groups, Label set, IA hypotheses | Sketches and Concepts, Consolidated Solution Sketch, Prioritized Direction | Star-Shaped Question Map, Question List, Assumption List |
Tagsno overlap | ValidationUXPrototype | Information architectureNavigationStructure | BrainstormingWorkshopCollaborationIdeation | BrainstormingIdeationWorkshopDiscovery |