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| Criterion |  Operations Gemba Walk |  Operations A3 Problem Solving |  Domain Modeling Domain Context Map |
|---|---|---|---|
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. | 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. | When a domain model and its associated contexts need to be thought through together, it creates a shared overview. It connects the business view and organizational boundary into a readable whole. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 30-120 min | 45-90 min | 1-3 h |
Participantsdifferent | 2-6 | 2-5 | 3-10 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Observation Notes, Improvement Ideas | A3 Report, Action Plan, Root Cause Analysis | Domain Context Map, Boundary Notes, Ownership Map |
Tagsno overlap | LeanObservationProcessOperations | LeanProblem solvingCoachingOperations | Domain-Driven DesignContextBoundaries |
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