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| Criterion |  UX Research Tree Testing |  Engineering Goal Question Metric |  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. | Helps clarify technical problems, hypotheses, and next steps in concrete terms. It breaks a technical problem into testable parts. The result is captured as a GQM table and metric briefs. | 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 | Medium | Low |
Timedifferent | 1-2 Tage | 90-180 min | 1-2 Tage |
Participantsdifferent | Based on research question | 3-6 | 10-30 |
Formatdifferent | Async | Workshop | Async |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | GQM Table, Metric Profiles | Click Heatmap, Success Rate, Design Recommendations |
Tagsno overlap | Information architectureNavigationFindability | MetricsMeasurementEngineeringAlignment | UXNavigationFindabilityValidation |
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