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| Criterion |  UX Research Tree Testing |  Operations Barrier 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 risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | 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 | 2-4 h | 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 | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Content groups, Label set, IA hypotheses |
Tagsno overlap | Information architectureNavigationFindability | Root causeSafetyIncident | Information architectureNavigationStructure |
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