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| Criterion |  Product Discovery Assumption Mapping |  UX Research Card Sorting |  UX Research Tree Testing |
|---|---|---|---|
Purposedifferent | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 45-60 min | 20-45 min | 1-2 Tage |
Participantsdifferent | 2-8 | Based on research question | Based on research question |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Assumption map, Test backlog, Risk ranking | Content groups, Label set, IA hypotheses | Findability Metrics, Path Analysis, Revised IA |
Tagsno overlap | AssumptionsRiskExperimentsValidation | Information architectureNavigationStructure | Information architectureNavigationFindability |
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