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| Criterion |  UX Research Tree Testing |  UX Research First-click Testing |  Operations Change Analysis |  Facilitation 3-Circle Venn Diagram |
|---|---|---|---|---|
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 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. | 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 three perspectives matter at the same time, a Three-Circle Venn Diagram shows the overlaps and remainders precisely. It makes visible where shared effect arises and where only a partial perspective applies. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 1-2 Tage | 1-2 Tage | 45-120 min | 15-45 min |
Participantsdifferent | Based on research question | 10-30 | 2-6 | 2-8 |
Formatdifferent | Async | Async | Workshop + async | Workshop + async |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Click Heatmap, Success Rate, Design Recommendations | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Venn Diagram, Overlap Notes, Differentiators |
Tagsno overlap | Information architectureNavigationFindability | UXNavigationFindabilityValidation | ChangeRoot causeTroubleshootingComparison | ComparisonFacilitationAlignment |