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| Criterion |  UX Research Tree Testing |  Product Discovery Opportunity Solution Tree |  UX Research User Interviews |
|---|---|---|---|
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 discovery keeps swinging between goals, ideas, and learning loops, it creates clear steering logic. It connects the desired outcome, opportunities, and experiments into a legible structure. | When teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 1-2 Tage | 1-2 h Setup, laufend | 30–60 min per interview |
Participantsdifferent | Based on research question | 2-6 | 1 participant per interview |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Opportunity Solution Tree, Experiment Backlog, Learning Log | Interview Notes, Themes, Insight Summary |
Tagsno overlap | Information architectureNavigationFindability | DiscoveryOutcomesExperimentsOpportunity | QualitativeResearchCustomerDiscovery |
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