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| Criterion |  UX Research User Interviews |  Product Discovery Problem Interview |  Domain Modeling EventStorming |  Product Discovery Opportunity Interview |
|---|---|---|---|---|
Purposedifferent | 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. | When the picture of the problem still needs to become solid, it asks about real situations and consequences. It separates genuine suffering from mere interest in a solution. | 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. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 30–60 min per interview | 30-60 min je Interview | 2-8 h | 30-60 min je Interview |
Participantsdifferent | 1 participant per interview | 5-12 Interviews | 5-12 | 5-12 Interviews |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Problem Evidence, Risk Notes, Customer Segments | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | Interview Notes, Opportunity Themes, Customer Quotes |
Tags1 shared | QualitativeResearchCustomerDiscovery | DiscoveryInterviewsValidation | Domain-Driven DesignEventsDiscoveryWorkshop | DiscoveryInterviewsOpportunityCustomer |