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| Criterion |  UX Research Tree Testing |  Operations Change Analysis |  UX Research Card Sorting |
|---|---|---|---|
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. | 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. | 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. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 1-2 Tage | 45-120 min | 20-45 min |
Participantsdifferent | Based on research question | 2-6 | Based on research question |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Content groups, Label set, IA hypotheses |
Tagsno overlap | Information architectureNavigationFindability | ChangeRoot causeTroubleshootingComparison | Information architectureNavigationStructure |
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