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| Criterion |  Agile Starfish Retrospective |  Decision Making RAPID |  Agile 4Ls Retrospective |  Decision Making DACI |
|---|---|---|---|---|
Purposedifferent | 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. | In complex management decisions, clarity is often missing about who recommends, who agrees, and who makes the decision. RAPID creates this assignment and stabilizes decisions across several levels. | 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. | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 45-90 min | 45-90 min | 45–75 min | 30-60 min |
Participantsdifferent | 4-12 | 3-12 | Team members involved | 2-10 |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Starfish Board, Practice Changes, Experiments | RAPID Role Map, Recommendation, Decision Log | 4Ls Board, Learning Themes, Improvement Actions | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | RetrospectiveImprovementExperimentsTeam | DecisionRolesGovernance | RetrospectiveLearningReflectionTeam | DecisionRolesGovernanceAlignment |