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| Criterion |  Operations Gemba Walk |  UX Research Surveys |  Innovation Lean Startup |  Operations Kaizen Event |
|---|---|---|---|---|
Purposedifferent | 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. | When a topic needs to be validated broadly and many people can answer the same question, surveys gather structured feedback in a scalable form. Answers become comparable and segmentable instead of remaining merely anecdotal. | 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. | 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 | Low | Medium | Medium | Medium |
Timedifferent | 30-120 min | 3-14 Tage | Wochen bis Monate je Lernzyklus | 0.5-5 Tage |
Participantsdifferent | 2-6 | 50+ | 2-8 | 4-10 |
Formatdifferent | Workshop | Async | Workshop + async | Workshop |
Outputdifferent | Observation Notes, Improvement Ideas | Survey Results, Charts, Segment Insights | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update |
Tagsno overlap | LeanObservationProcessOperations | QuantitativeResearchValidation | LeanStartupValidationMVP | LeanContinuous improvementOperations |