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| Criterion |  UX Research Usability Testing |  UX Research Card Sorting |  Innovation Starbursting |  Innovation Brainstorming |
|---|---|---|---|---|
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. | 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. | 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. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 1-2 h je Session | 20-45 min | 30-60 min | 30-60 min |
Participantsdifferent | Based on research question | Based on research question | 3-10 | 4-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Usability Issues, Severity List, Recommendations | Content groups, Label set, IA hypotheses | Star-Shaped Question Map, Question List, Assumption List | Idea pool, Theme clusters, Shortlist |
Tagsno overlap | ValidationUXPrototype | Information architectureNavigationStructure | BrainstormingIdeationWorkshopDiscovery | BrainstormingIdeationCreativityWorkshopDivergence |