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| Criterion |  UX Research Tree Testing |  UX Research Card Sorting |  Operations Failure Mode and Effects Analysis |  UX Research First-click Testing |
|---|---|---|---|---|
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 process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | When users immediately turn the wrong way on a screen or wireframe, first click testing checks initial orientation at high speed. The first click shows early whether expectation, labeling, and wayfinding fit together. |
Complexitydifferent | Medium | Low | High | Low |
Timedifferent | 1-2 Tage | 20-45 min | 2-6 h | 1-2 Tage |
Participantsdifferent | Based on research question | Based on research question | 3-10 | 10-30 |
Formatdifferent | Async | Workshop + async | Workshop | Async |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Content groups, Label set, IA hypotheses | FMEA Table, Risk Priority, Mitigation Actions | Click Heatmap, Success Rate, Design Recommendations |
Tagsno overlap | Information architectureNavigationFindability | Information architectureNavigationStructure | RiskQualityOperationsRoot cause | UXNavigationFindabilityValidation |