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| Criterion |  UX Research Usability Testing |  Operations Gemba Walk |  Operations Kaizen Event |
|---|---|---|---|
Purposedifferent | When a product is built but people get stuck on tasks, usability testing shows the friction at concrete points. Observed use instead of self-report makes visible where orientation, understanding, or interaction breaks down. | 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 a tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 1-2 h je Session | 30-120 min | 0.5-5 Tage |
Participantsdifferent | Based on research question | 2-6 | 4-10 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Usability Issues, Severity List, Recommendations | Observation Notes, Improvement Ideas | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update |
Tagsno overlap | ValidationUXPrototype | LeanObservationProcessOperations | LeanContinuous improvementOperations |
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