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| Criterion |  UX Research Surveys |  Operations Gemba Walk |  Operations Root Cause Analysis |
|---|---|---|---|
Purposedifferent | 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. | 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 problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 3-14 Tage | 30-120 min | 1-4 h |
Participantsdifferent | 50+ | 2-6 | 3-8 |
Formatdifferent | Async | Workshop | Workshop + async |
Outputdifferent | Survey Results, Charts, Segment Insights | Observation Notes, Improvement Ideas | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | QuantitativeResearchValidation | LeanObservationProcessOperations | Root causeProblem solvingQualityIncident |
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