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| Criterion |  Operations 5 Whys |  Operations Learning Review |  Agile 4Ls Retrospective |
|---|---|---|---|
Purposedifferent | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | 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 | Low | Medium | Low |
Timedifferent | 15-30 min | 1-3 h | 45–75 min |
Participantsdifferent | 2-6 | 3-10 | Team members involved |
Formatsame | Workshop | Workshop | Workshop |
Outputdifferent | Root cause notes, Countermeasures | Learning Review Notes, System Factors, Improvement Actions | 4Ls Board, Learning Themes, Improvement Actions |
Tagsno overlap | Root causeIncidentLeanProblem solving | LearningRetrospectiveIncidentOperations | RetrospectiveLearningReflectionTeam |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
