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| Criterion |  Domain Modeling EventStorming |  Agile Affinity Estimation |  Product Discovery Assumption Mapping |
|---|---|---|---|
Purposedifferent | 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 many tasks need to be classified quickly, it sorts them by perceived effort and similarity. It reduces the effort of fine-grained estimation for large volumes. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 2-8 h | 30-90 min | 45-60 min |
Participantsdifferent | 5-12 | 3-12 | 2-8 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | Affinity Size Map, Grouped Estimates, Unclear Items | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | Domain-Driven DesignEventsDiscoveryWorkshop | EstimationBacklogRelative sizing | AssumptionsRiskExperimentsValidation |
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