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| Criterion |  UX Research Surveys |  Operations Gemba Walk |  Operations 5 Whys |
|---|---|---|---|
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. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 3-14 Tage | 30-120 min | 15-30 min |
Participantsdifferent | 50+ | 2-6 | 2-6 |
Formatdifferent | Async | Workshop | Workshop |
Outputdifferent | Survey Results, Charts, Segment Insights | Observation Notes, Improvement Ideas | Root cause notes, Countermeasures |
Tagsno overlap | QuantitativeResearchValidation | LeanObservationProcessOperations | Root causeIncidentLeanProblem solving |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
