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| Criterion |  Operations 5 Whys |  Agile Start Stop Continue |  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. | When a team wants to deliberately adjust its working behavior, it makes habits visible and assessable. It focuses on concrete changes instead of diffuse mood. | 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. |
Complexitysame | Low | Low | Low |
Timedifferent | 15-30 min | 30-60 min | 45–75 min |
Participantsdifferent | 2-6 | 3-12 | Team members involved |
Formatsame | Workshop | Workshop | Workshop |
Outputdifferent | Root cause notes, Countermeasures | Start Stop Continue Board, Improvement Actions | 4Ls Board, Learning Themes, Improvement Actions |
Tagsno overlap | Root causeIncidentLeanProblem solving | RetrospectiveImprovementTeamReflection | RetrospectiveLearningReflectionTeam |
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