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| Criterion |  UX Research User Interviews |  Product Discovery Problem Interview |  Architecture arc42 |
|---|---|---|---|
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. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 30–60 min per interview | 30-60 min je Interview | 1-2 Tage |
Participantsdifferent | 1 participant per interview | 5-12 Interviews | 1-4 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Problem Evidence, Risk Notes, Customer Segments | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | QualitativeResearchCustomerDiscovery | DiscoveryInterviewsValidation | ArchitectureDocumentationCommunication |
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