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| Criterion |  Agile Starfish Retrospective |  Agile Start Stop Continue |  Product Discovery Test Card |
|---|---|---|---|
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. | 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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitysame | Low | Low | Low |
Timedifferent | 45-90 min | 30-60 min | 20-35 min |
Participantsdifferent | 4-12 | 3-12 | 1-5 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Starfish Board, Practice Changes, Experiments | Start Stop Continue Board, Improvement Actions | Test Card with a pre-set threshold |
Tagsno overlap | RetrospectiveImprovementExperimentsTeam | RetrospectiveImprovementTeamReflection | ExperimentsValidationDiscoveryHypothesis |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
