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| Criterion |  Product Discovery Opportunity Scoring |  Domain Modeling EventStorming |  UX Research User Interviews |
|---|---|---|---|
Purposedifferent | When opportunities need ranking by their effect, it makes importance and satisfaction directly comparable. It separates problem, assumption, solution, and evidence. The result is captured as an opportunity-score table and top outcomes. | 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 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 | Low |
Timedifferent | 60-120 min | 2-8 h | 30–60 min per interview |
Participantsdifferent | 3-6 | 5-12 | 1 participant per interview |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Opportunity Score Table, Top Outcomes | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | Interview Notes, Themes, Insight Summary |
Tags1 shared | PrioritizationDiscoveryOutcomesNeeds | Domain-Driven DesignEventsDiscoveryWorkshop | QualitativeResearchCustomerDiscovery |
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