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| Criterion |  Domain Modeling EventStorming |  Product Discovery Opportunity Interview |  Knowledge Modeling Event Modeling |  UX Research User Interviews |
|---|---|---|---|---|
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 opportunities are still hidden behind signals of need, it structures conversations around needs and obstacles. It looks for patterns that lead to new product opportunities. | Event Modeling connects business workflows with commands, events, and views into one coherent mental model. It helps design behavior, UI, and technical slices from the same underlying logic. | When teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 2-8 h | 30-60 min je Interview | 2-6 h | 30–60 min per interview |
Participantsdifferent | 5-12 | 5-12 Interviews | 2-8 | 1 participant per interview |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | Interview Notes, Opportunity Themes, Customer Quotes | Event Model, UI Flow, Commands, Read Models | Interview Notes, Themes, Insight Summary |
Tagsno overlap | Domain-Driven DesignEventsDiscoveryWorkshop | DiscoveryInterviewsOpportunityCustomer | EventsBlueprintDomain-Driven DesignBehavior | QualitativeResearchCustomerDiscovery |