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| Criterion |  UX Research Surveys |  UX Research Tree Testing |  Product Discovery Opportunity Scoring |  UX Research Card Sorting |
|---|---|---|---|---|
Purposedifferent | When a topic needs to be validated broadly and many people can answer the same question, surveys gather structured feedback in a scalable form. Answers become comparable and segmentable instead of remaining merely anecdotal. | 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 opportunities need ranking by their effect, it makes importance and satisfaction directly comparable. It separates problem, assumption, solution, and evidence. The result is captured as an opportunity-score table and top outcomes. | 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 | Medium | Low |
Timedifferent | 3-14 Tage | 1-2 Tage | 60-120 min | 20-45 min |
Participantsdifferent | 50+ | Based on research question | 3-6 | Based on research question |
Formatdifferent | Async | Async | Workshop + async | Workshop + async |
Outputdifferent | Survey Results, Charts, Segment Insights | Findability Metrics, Path Analysis, Revised IA | Opportunity Score Table, Top Outcomes | Content groups, Label set, IA hypotheses |
Tagsno overlap | QuantitativeResearchValidation | Information architectureNavigationFindability | PrioritizationDiscoveryOutcomesNeeds | Information architectureNavigationStructure |