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| Criterion |  Operations A3 Problem Solving |  Delivery Value Stream Mapping |  Operations Learning Review |  Agile 4Ls Retrospective |
|---|---|---|---|---|
Purposedifferent | 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 delivery work dissolves into wait times, handoffs, and hidden effort, Value Stream Mapping makes the actual flow visible. The method exposes bottlenecks, idle time, and feedback loops so lead time and improvement levers become tangible. | 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. | When a sprint should not only be assessed but also learned from, it captures experience in clear learning categories. It records what worked, what's missing, and what should run differently next time. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 45-90 min | 1-3 h | 1-3 h | 45–75 min |
Participantsdifferent | 2-5 | 4-10 | 3-10 | Team members involved |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Current-state map, Future-state map, Bottleneck list | Learning Review Notes, System Factors, Improvement Actions | 4Ls Board, Learning Themes, Improvement Actions |
Tagsno overlap | LeanProblem solvingCoachingOperations | LeanFlowWasteDelivery | LearningRetrospectiveIncidentOperations | RetrospectiveLearningReflectionTeam |