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| Criterion |  UX Research Tree Testing |  Operations Gemba Walk |  Operations PDCA Cycle |  UX Research Card Sorting |
|---|---|---|---|---|
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 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 an improvement that still has to prove itself in everyday work, the method runs it through small learning loops. It connects planning, checking, and standardization into a repeatable learning mode. | 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. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 1-2 Tage | 30-120 min | 1 h bis mehrere Wochen | 20-45 min |
Participantsdifferent | Based on research question | 2-6 | 1-8 | Based on research question |
Formatdifferent | Async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Findability Metrics, Path Analysis, Revised IA | Observation Notes, Improvement Ideas | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | Content groups, Label set, IA hypotheses |
Tagsno overlap | Information architectureNavigationFindability | LeanObservationProcessOperations | Continuous improvementLeanExperiments | Information architectureNavigationStructure |