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| Criterion |  Architecture Risk Storming |  Agile Starfish Retrospective |  Product Discovery Learning Card |  Product Discovery Experiment Canvas |
|---|---|---|---|---|
Purposedifferent | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. | 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 Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | When experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 60-90 min | 45-90 min | 25-40 min | 30-60 min |
Participantsdifferent | 4-12 | 4-12 | 1-5 | 1-5 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Annotated Diagram, Prioritized Risk List, Action Backlog | Starfish Board, Practice Changes, Experiments | Learning Card with evidence and next action | Completed Experiment Canvas, Success Metric |
Tagsno overlap | RiskArchitectureWorkshopValidation | RetrospectiveImprovementExperimentsTeam | ExperimentsValidationDiscoveryLearning | ExperimentsValidationDiscoveryHypothesis |