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| Criterion |  UX Research Tree Testing |  Facilitation Nominal Group Technique |  Innovation 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 loud voices could dominate a round, Nominal Group Technique protects individual thinking time from group effects. It collects ideas separately first and only then enables shared weighting. | 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 | Medium | Low |
Timedifferent | 1-2 Tage | 60-120 min | 30-60 min |
Participantsdifferent | Based on research question | 5-12 | 4-12 |
Formatdifferent | Async | Workshop | Workshop |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Ranked Ideas, Clarified Options, Group Priority | Idea pool, Theme clusters, Shortlist |
Tagsno overlap | Information architectureNavigationFindability | FacilitationPrioritizationVotingInclusion | BrainstormingIdeationCreativityWorkshopDivergence |
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