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| Criterion |  UX Research Empathy Mapping |  UX Research Card Sorting |  UX Research Tree Testing |
|---|---|---|---|
Purposedifferent | 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 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 | Low | Low | Medium |
Timedifferent | 30–60 min | 20-45 min | 1-2 Tage |
Participantsdifferent | 4-8 | Based on research question | Based on research question |
Formatdifferent | Workshop | Workshop + async | Async |
Outputdifferent | Empathy Map, Assumptions List, Research Gaps | Content groups, Label set, IA hypotheses | Findability Metrics, Path Analysis, Revised IA |
Tagsno overlap | SynthesisQualitativeWorkshop | Information architectureNavigationStructure | Information architectureNavigationFindability |
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