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| Criterion |  Product Discovery Test Card |  Domain Modeling EventStorming |
|---|---|---|
Purposedifferent | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | 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. |
Complexitydifferent | Low | Medium |
Timedifferent | 20-35 min | 2-8 h |
Participantsdifferent | 1-5 | 5-12 |
Formatdifferent | Workshop + async | Workshop |
Outputdifferent | Test Card with a pre-set threshold | Event Timeline, Ubiquitous Language, Boundaries, Open Questions |
Tags1 shared | ExperimentsValidationDiscoveryHypothesis | Domain-Driven DesignEventsDiscoveryWorkshop |
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