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| Criterion |  UX Research User Interviews |  Product Discovery Problem Interview |  Domain Modeling EventStorming |  Product Discovery Concierge MVP |
|---|---|---|---|---|
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 an idea can first fail or grow through genuine hands-on support, it relies on manual work instead of automation. It shows whether user value holds up even under manual execution. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 30–60 min per interview | 30-60 min je Interview | 2-8 h | 1-4 Wochen |
Participantsdifferent | 1 participant per interview | 5-12 Interviews | 5-12 | 3-10 Kunden |
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 | Concierge Learnings, Service Blueprint, MVP Risks |
Tags1 shared | QualitativeResearchCustomerDiscovery | DiscoveryInterviewsValidation | Domain-Driven DesignEventsDiscoveryWorkshop | MVPValidationServiceDiscovery |