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| Criterion |  Innovation Design Thinking |  UX Research User Interviews |  Domain Modeling EventStorming |  Product Discovery Opportunity Interview |
|---|---|---|---|---|
Purposedifferent | For complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. | 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 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 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 | High | Low | Medium | Medium |
Timedifferent | 1 Tag bis mehrere Wochen | 30–60 min per interview | 2-8 h | 30-60 min je Interview |
Participantsdifferent | 4-10 | 1 participant per interview | 5-12 | 5-12 Interviews |
Formatdifferent | Workshop | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Problem Statement, Prototype, Test Learnings | Interview Notes, Themes, Insight Summary | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | Interview Notes, Opportunity Themes, Customer Quotes |
Tagsno overlap | InnovationPrototypeResearch | QualitativeResearchCustomerDiscovery | Domain-Driven DesignEventsDiscoveryWorkshop | DiscoveryInterviewsOpportunityCustomer |