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| Criterion |  Agile Starfish Retrospective |  Product Discovery MVP Test Matrix |  Product Discovery Learning 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 several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 45-90 min | 45-75 min | 25-40 min |
Participantsdifferent | 4-12 | 2-8 | 1-5 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Starfish Board, Practice Changes, Experiments | Test Matrix, Test Plan | Learning Card with evidence and next action |
Tags1 shared | RetrospectiveImprovementExperimentsTeam | ExperimentsValidationDiscoveryOptions | ExperimentsValidationDiscoveryLearning |
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