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| Criterion |  Agile Starfish Retrospective |  Agile Sailboat Retrospective |  Growth A/B Testing |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
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 read momentum, brakes, and risks together, it offers an easily understandable picture of the situation. It makes drive, obstacles, and headwind visible in the same picture. | When two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Low | Low | High | Medium |
Timedifferent | 45-90 min | 45-90 min | 1-4 Wochen | 45-60 min |
Participantsdifferent | 4-12 | 4-12 | 1-6 | 2-8 |
Formatdifferent | Workshop | Workshop | Async | Workshop + async |
Outputdifferent | Starfish Board, Practice Changes, Experiments | Sailboat Board, Risks, Improvement Actions | Experiment results, Decision log, Learning summary | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | RetrospectiveImprovementExperimentsTeam | RetrospectiveTeamImprovement | ExperimentsGrowthAnalyticsValidation | AssumptionsRiskExperimentsValidation |