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| Criterion |  UX Research Card Sorting |  UX Research Tree Testing |  Product Discovery Fake Door Test |
|---|---|---|---|
Purposedifferent | 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. | 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 demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 20-45 min | 1-2 Tage | 1-5 Tage |
Participantsdifferent | Based on research question | Based on research question | Nutzertraffic |
Formatdifferent | Workshop + async | Async | Async |
Outputdifferent | Content groups, Label set, IA hypotheses | Findability Metrics, Path Analysis, Revised IA | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | Information architectureNavigationStructure | Information architectureNavigationFindability | ValidationExperimentsDemandDiscovery |
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