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| Criterion |  Agile Start Stop Continue |  Decision Making Constraint Analysis |  Agile Starfish Retrospective |  Agile 4Ls Retrospective |
|---|---|---|---|---|
Purposedifferent | 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 an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | 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. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 30-60 min | 30-90 min | 45-90 min | 45–75 min |
Participantsdifferent | 3-12 | 2-8 | 4-12 | Team members involved |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop |
Outputdifferent | Start Stop Continue Board, Improvement Actions | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Starfish Board, Practice Changes, Experiments | 4Ls Board, Learning Themes, Improvement Actions |
Tagsno overlap | RetrospectiveImprovementTeamReflection | ConstraintsDecisionPlanningOptions | RetrospectiveImprovementExperimentsTeam | RetrospectiveLearningReflectionTeam |