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| Criterion |  Operations Visual Management |  Operations Theory of Constraints |  Agile Starfish Retrospective |  Agile 4Ls Retrospective |
|---|---|---|---|---|
Purposedifferent | With high tempo and many parallel topics, the method makes status, deviations, and priorities visible at a glance. It reduces search effort and prevents what matters from getting lost in daily work. | For a system that does not get faster despite effort, the method directs attention to the bottleneck. It concentrates improvement on the point that actually limits throughput. | When improvement options need to be sorted more finely than just start and stop, it brings observations into clear kinds of action. This makes visible what should be done more, less, newly, or continued. | 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 | High | Low | Low |
Timedifferent | Ongoing | 2-4 h Analyse, laufend | 45-90 min | 45–75 min |
Participantsdifferent | 1-20 | 3-12 | 4-12 | Team members involved |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Visual Board, Status Indicators, Exception Cues | Constraint Map, Improvement Plan, Flow Metrics | Starfish Board, Practice Changes, Experiments | 4Ls Board, Learning Themes, Improvement Actions |
Tagsno overlap | SignalsOperationsVisual management | OperationsConstraintsFlowImprovement | RetrospectiveImprovementExperimentsTeam | RetrospectiveLearningReflectionTeam |