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| Criterion |  Operations A3 Problem Solving |  Agile 4Ls Retrospective |  Operations Fishbone Diagram |
|---|---|---|---|
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 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. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 45-90 min | 45–75 min | 30-60 min |
Participantsdifferent | 2-5 | Team members involved | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | 4Ls Board, Learning Themes, Improvement Actions | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | LeanProblem solvingCoachingOperations | RetrospectiveLearningReflectionTeam | Root causeQualityOperations |
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