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| Criterion |  Product Discovery Learning Card |  Domain Modeling EventStorming |  Product Discovery MVP Test Matrix |  Product Discovery Test Card |
|---|---|---|---|---|
Purposedifferent | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | When a domain consists of many events, rules, and states, it creates a shared modeling space for the team. It bundles language, flows, and boundaries before domain knowledge fragments into siloed views. | 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 Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 25-40 min | 2-8 h | 45-75 min | 20-35 min |
Participantsdifferent | 1-5 | 5-12 | 2-8 | 1-5 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Learning Card with evidence and next action | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | Test Matrix, Test Plan | Test Card with a pre-set threshold |
Tags1 shared | ExperimentsValidationDiscoveryLearning | Domain-Driven DesignEventsDiscoveryWorkshop | ExperimentsValidationDiscoveryOptions | ExperimentsValidationDiscoveryHypothesis |