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| Criterion |  Operations Gemba Walk |  UX Research Surveys |  Product Strategy Lean Canvas |  Operations A3 Problem Solving |
|---|---|---|---|---|
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. | When an early product bet still has too many open points, it brings target group, problem, and assumptions into a single view. It condenses the idea so core risks become nameable. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 30-120 min | 3-14 Tage | 45-90 min | 45-90 min |
Participantsdifferent | 2-6 | 50+ | 1-6 | 2-5 |
Formatdifferent | Workshop | Async | Workshop + async | Workshop + async |
Outputdifferent | Observation Notes, Improvement Ideas | Survey Results, Charts, Segment Insights | Lean Canvas, Core Assumptions, Experiment Backlog | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | LeanObservationProcessOperations | QuantitativeResearchValidation | StartupLeanAssumptionsBusiness model | LeanProblem solvingCoachingOperations |