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| Criterion |  Agile Starfish Retrospective |  Product Discovery Test Card |  Product Discovery Hypothesis Prioritization Canvas |
|---|---|---|---|
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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | When many hypotheses compete for attention, it brings order to their learning sequence and importance. It separates problem, assumption, solution, and evidence. The result is captured as a prioritization canvas and a hypothesis backlog. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 45-90 min | 20-35 min | 60-90 min |
Participantsdifferent | 4-12 | 1-5 | 3-8 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Starfish Board, Practice Changes, Experiments | Test Card with a pre-set threshold | Prioritization Canvas, Hypothesis Backlog |
Tags1 shared | RetrospectiveImprovementExperimentsTeam | ExperimentsValidationDiscoveryHypothesis | ExperimentsPrioritizationDiscoveryHypothesis |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
