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| Criterion |  Operations Root Cause Analysis |  Agile 4Ls Retrospective |  Operations 8D Problem Solving |  Operations Learning Review |
|---|---|---|---|---|
Purposedifferent | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | 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. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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 | Medium | Low | High | Medium |
Timedifferent | 1-4 h | 45–75 min | 1-6 Wochen | 1-3 h |
Participantsdifferent | 3-8 | Team members involved | 4-10 | 3-10 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | 4Ls Board, Learning Themes, Improvement Actions | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Learning Review Notes, System Factors, Improvement Actions |
Tagsno overlap | Root causeProblem solvingQualityIncident | RetrospectiveLearningReflectionTeam | QualityProblem solvingRoot cause | LearningRetrospectiveIncidentOperations |