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| Criterion |  Operations Gemba Walk |  Facilitation Mind Mapping |  Operations After-Action Review |  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 is still unclear and too many thoughts surface at once, Mind Mapping creates an open surface for ordering them. It makes connections, subtopics, and starting points visible without fixing them too early. | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. | 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 | Low | Low | Medium |
Timedifferent | 30-120 min | 15-45 min | 20-45 min | 45-90 min |
Participantsdifferent | 2-6 | 1-10 | 3-12 | 2-5 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Observation Notes, Improvement Ideas | Mind Map, Topic Clusters, Open Questions | Lessons learned, Action items, Event summary | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | LeanObservationProcessOperations | BrainstormingIdeasMappingStructureFacilitation | LearningOperationsImprovement | LeanProblem solvingCoachingOperations |