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| Criterion |  Operations Learning Review |  Operations Root Cause Tree Analysis |  Agile 4Ls Retrospective |  Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. | 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 keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 1-3 h | 1-3 h | 45–75 min | 1-4 h |
Participantsdifferent | 3-10 | 2-8 | Team members involved | 3-8 |
Formatdifferent | Workshop | Workshop | Workshop | Workshop + async |
Outputdifferent | Learning Review Notes, System Factors, Improvement Actions | Cause Tree, Evidence Notes, Countermeasures | 4Ls Board, Learning Themes, Improvement Actions | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | LearningRetrospectiveIncidentOperations | Root causeTreeIncidentQuality | RetrospectiveLearningReflectionTeam | Root causeProblem solvingQualityIncident |