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| Criterion |  UX Research User Interviews |  Knowledge Modeling Event Modeling |  Product Discovery Opportunity Interview |  Product Discovery Problem 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. | Event Modeling connects business workflows with commands, events, and views into one coherent mental model. It helps design behavior, UI, and technical slices from the same underlying logic. | 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. | 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. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 30–60 min per interview | 2-6 h | 30-60 min je Interview | 30-60 min je Interview |
Participantsdifferent | 1 participant per interview | 2-8 | 5-12 Interviews | 5-12 Interviews |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Event Model, UI Flow, Commands, Read Models | Interview Notes, Opportunity Themes, Customer Quotes | Problem Evidence, Risk Notes, Customer Segments |
Tagsno overlap | QualitativeResearchCustomerDiscovery | EventsBlueprintDomain-Driven DesignBehavior | DiscoveryInterviewsOpportunityCustomer | DiscoveryInterviewsValidation |