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| Criterion |  Innovation Double Diamond |  Agile Sprint Retrospective |  Agile Starfish Retrospective |  Agile Start Stop Continue |
|---|---|---|---|---|
Purposedifferent | For complex problems with a fuzzy situation, the method cleanly separates search space and decision. It first creates breadth in understanding and then focus in elaboration. This brings open questions, problem definition, and solution path into a traceable movement. | When a sprint is over and friction shouldn't simply be carried forward, it opens the view onto collaboration and patterns. It creates space to see causes and changes together. | 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 team wants to deliberately adjust its working behavior, it makes habits visible and assessable. It focuses on concrete changes instead of diffuse mood. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | Wochen bis Monate | Up to 3 hours for a one-month Sprint; shorter Sprints are usually shorter | 45-90 min | 30-60 min |
Participantsdifferent | 3-12 | Scrum Team | 4-12 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Improvement actions, Team agreements | Starfish Board, Practice Changes, Experiments | Start Stop Continue Board, Improvement Actions |
Tagsno overlap | ProcessDivergenceInnovation | RetrospectiveImprovementLearning | RetrospectiveImprovementExperimentsTeam | RetrospectiveImprovementTeamReflection |