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| Criterion |  UX Research Tree Testing |  Operations Process Mapping |  UX Research First-click Testing |  Operations Gemba Walk |
|---|---|---|---|---|
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. | With a confusing workflow that has many handoffs, the method makes the actual process visible. It shows where work is passed on, delayed, or duplicated, so improvement targets the right spots. | 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. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 1-2 Tage | 1-3 h | 1-2 Tage | 30-120 min |
Participantsdifferent | Based on research question | 3-10 | 10-30 | 2-6 |
Formatdifferent | Async | Workshop | Async | Workshop |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Process Map, Handoff List, Improvement Backlog | Click Heatmap, Success Rate, Design Recommendations | Observation Notes, Improvement Ideas |
Tagsno overlap | Information architectureNavigationFindability | ProcessOperationsImprovement | UXNavigationFindabilityValidation | LeanObservationProcessOperations |