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| Criterion |  Operations Gemba Walk |  Agile Sprint Retrospective |  Operations A3 Problem Solving |  Operations Learning Review |
|---|---|---|---|---|
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 sprint is over and friction shouldn't simply be carried forward, it opens the view onto collaboration and patterns. It creates space to see causes and changes together. | 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. | After a project phase with mixed results, the method makes learning from the individual case reusable. It connects events, decisions, and systemic conditions into robust insights. |
Complexitydifferent | Low | Low | Medium | Medium |
Timedifferent | 30-120 min | Up to 3 hours for a one-month Sprint; shorter Sprints are usually shorter | 45-90 min | 1-3 h |
Participantsdifferent | 2-6 | Scrum Team | 2-5 | 3-10 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Observation Notes, Improvement Ideas | Improvement actions, Team agreements | A3 Report, Action Plan, Root Cause Analysis | Learning Review Notes, System Factors, Improvement Actions |
Tagsno overlap | LeanObservationProcessOperations | RetrospectiveImprovementLearning | LeanProblem solvingCoachingOperations | LearningRetrospectiveIncidentOperations |