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| Criterion |  UX Research Tree Testing |  UX Research Card Sorting |  Operations Change Analysis |
|---|---|---|---|
Purposedifferent | 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 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. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 1-2 Tage | 20-45 min | 45-120 min |
Participantsdifferent | Based on research question | Based on research question | 2-6 |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Content groups, Label set, IA hypotheses | Change Matrix, Cause Hypotheses, Validation Questions, Action List |
Tagsno overlap | Information architectureNavigationFindability | Information architectureNavigationStructure | ChangeRoot causeTroubleshootingComparison |
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