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| Criterion |  UX Research User Interviews |  UX Design Lean UX Canvas |  Domain Modeling EventStorming |  UX Research Empathy Mapping |
|---|---|---|---|---|
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. | The Lean UX Canvas helps clarify user behavior, touchpoints, and concept decisions. It makes assumptions and desired outcomes visible and captures the result as a completed canvas, hypothesis list, and first experiment. | 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 a lot is assumed about a target group but little is seen jointly, empathy mapping makes knowledge and gaps directly comparable. The picture also shows which assumptions hold up and where evidence is missing. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 30–60 min per interview | 2-3 h | 2-8 h | 30–60 min |
Participantsdifferent | 1 participant per interview | 3-8 | 5-12 | 4-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Interview Notes, Themes, Insight Summary | Completed Lean UX Canvas, Hypothesis list, First experiment | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | Empathy Map, Assumptions List, Research Gaps |
Tagsno overlap | QualitativeResearchCustomerDiscovery | CanvasHypothesisOutcomesDiscovery | Domain-Driven DesignEventsDiscoveryWorkshop | SynthesisQualitativeWorkshop |