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| Criterion |  UX Research Tree Testing |  UX Research First-click Testing |  Operations Gemba Walk |  Innovation Lean Startup |
|---|---|---|---|---|
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. | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. |
Complexitydifferent | Medium | Low | Low | Medium |
Timedifferent | 1-2 Tage | 1-2 Tage | 30-120 min | Wochen bis Monate je Lernzyklus |
Participantsdifferent | Based on research question | 10-30 | 2-6 | 2-8 |
Formatdifferent | Async | Async | Workshop | Workshop + async |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Click Heatmap, Success Rate, Design Recommendations | Observation Notes, Improvement Ideas | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision |
Tagsno overlap | Information architectureNavigationFindability | UXNavigationFindabilityValidation | LeanObservationProcessOperations | LeanStartupValidationMVP |