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| Criterion |  UX Research User Interviews |  Product Discovery Problem Interview |  Domain Modeling EventStorming |  UX Research Empathy Mapping |
|---|---|---|---|---|
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 a lot is assumed about a target group but little is seen jointly, empathy mapping makes knowledge and gaps directly comparable. The picture also shows which assumptions hold up and where evidence is missing. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 30–60 min per interview | 30-60 min je Interview | 2-8 h | 30–60 min |
Participantsdifferent | 1 participant per interview | 5-12 Interviews | 5-12 | 4-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Interview Notes, Themes, Insight Summary | Problem Evidence, Risk Notes, Customer Segments | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | Empathy Map, Assumptions List, Research Gaps |
Tagsno overlap | QualitativeResearchCustomerDiscovery | DiscoveryInterviewsValidation | Domain-Driven DesignEventsDiscoveryWorkshop | SynthesisQualitativeWorkshop |