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| Criterion |  Agile Start Stop Continue |  Architecture Risk Storming |  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. | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. | 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 | 60-90 min | 45-90 min | 45–75 min |
Participantsdifferent | 3-12 | 4-12 | 4-12 | Team members involved |
Formatsame | Workshop | Workshop | Workshop | Workshop |
Outputdifferent | Start Stop Continue Board, Improvement Actions | Annotated Diagram, Prioritized Risk List, Action Backlog | Starfish Board, Practice Changes, Experiments | 4Ls Board, Learning Themes, Improvement Actions |
Tagsno overlap | RetrospectiveImprovementTeamReflection | RiskArchitectureWorkshopValidation | RetrospectiveImprovementExperimentsTeam | RetrospectiveLearningReflectionTeam |