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| Criterion |  UX Research Card Sorting |  UX Research Empathy Mapping |  UX Research Tree Testing |
|---|---|---|---|
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 lot is assumed about a target group but little is seen jointly, empathy mapping makes knowledge and gaps directly comparable. The picture also shows which assumptions hold up and where evidence is missing. | 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 | Low | Low | Medium |
Timedifferent | 20-45 min | 30–60 min | 1-2 Tage |
Participantsdifferent | Based on research question | 4-8 | Based on research question |
Formatdifferent | Workshop + async | Workshop | Async |
Outputdifferent | Content groups, Label set, IA hypotheses | Empathy Map, Assumptions List, Research Gaps | Findability Metrics, Path Analysis, Revised IA |
Tagsno overlap | Information architectureNavigationStructure | SynthesisQualitativeWorkshop | Information architectureNavigationFindability |
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