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| Criterion |  UX Research Tree Testing |  UX Research Usability Testing |  Innovation Brainwriting |  UX Research Card Sorting |
|---|---|---|---|---|
Purposedifferent | When a navigation exists but search paths still fail, tree testing checks findability without visual distraction. The method shows whether labels, levels, and paths really lead to the intended destination. | 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. | 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. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 1-2 Tage | 1-2 h je Session | 15-30 min | 20-45 min |
Participantsdifferent | Based on research question | Based on research question | 3-12 | Based on research question |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Usability Issues, Severity List, Recommendations | Idea sheets, Expanded concepts, Prioritized list | Content groups, Label set, IA hypotheses |
Tagsno overlap | Information architectureNavigationFindability | ValidationUXPrototype | BrainstormingCollaborationInclusionIdeas | Information architectureNavigationStructure |