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| Criterion |  Architecture Quality Attribute Workshop |  Domain Modeling EventStorming |  UX Research User Interviews |  Product Discovery Opportunity Interview |
|---|---|---|---|---|
Purposedifferent | A Quality Attribute Workshop translates quality requirements into concrete scenarios and architecture impulses. The method brings product, engineering, and operations to the same view of desired properties. | 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 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 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 | Medium | Medium | Low | Medium |
Timedifferent | 2-4 h | 2-8 h | 30–60 min per interview | 30-60 min je Interview |
Participantsdifferent | 5-15 | 5-12 | 1 participant per interview | 5-12 Interviews |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Quality Scenarios, Priority List, Architecture Concerns | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | Interview Notes, Themes, Insight Summary | Interview Notes, Opportunity Themes, Customer Quotes |
Tagsno overlap | RequirementsArchitectureWorkshop | Domain-Driven DesignEventsDiscoveryWorkshop | QualitativeResearchCustomerDiscovery | DiscoveryInterviewsOpportunityCustomer |