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| Criterion |  UX Research Tree Testing |  Facilitation 1-2-4-All |  UX Research Usability Testing |  Innovation Round Robin Brainstorming |
|---|---|---|---|---|
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 many people in a group too rarely get to speak, 1-2-4-All distributes thinking time more fairly. The format builds participation step by step and makes quiet or still-unformed thoughts usable faster. | 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. | With unevenly distributed speaking time, the method brings every person into the contribution one after another. It prevents early voices from setting the direction while still producing a shared idea space. This makes participation plannable and the team's diversity visible. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 1-2 Tage | 10-20 min | 1-2 h je Session | 20-45 min |
Participantsdifferent | Based on research question | 4-100+ | Based on research question | 4-10 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Idea List, Shared Insights, Emergent Themes | Usability Issues, Severity List, Recommendations | Idea List, Cluster, Shortlist |
Tagsno overlap | Information architectureNavigationFindability | FacilitationInclusionIdeation | ValidationUXPrototype | BrainstormingIdeationFacilitationInclusionCreativity |