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| Criterion |  UX Research Surveys |  Operations Kaizen Event |  Innovation Design Sprint |  Operations Gemba Walk |
|---|---|---|---|---|
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. | 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. | When the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. | 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. |
Complexitydifferent | Medium | Medium | High | Low |
Timedifferent | 3-14 Tage | 0.5-5 Tage | 4-5 Tage | 30-120 min |
Participantsdifferent | 50+ | 4-10 | 5-8 | 2-6 |
Formatdifferent | Async | Workshop | Workshop | Workshop |
Outputdifferent | Survey Results, Charts, Segment Insights | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Prototype, Test Findings, Decision Rationale | Observation Notes, Improvement Ideas |
Tagsno overlap | QuantitativeResearchValidation | LeanContinuous improvementOperations | Design sprintPrototypeValidationInnovation | LeanObservationProcessOperations |