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| Criterion |  UX Research User Interviews |  Operations Change Analysis |  Knowledge Modeling Event Modeling |  Domain Modeling EventStorming |
|---|---|---|---|---|
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. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | 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 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. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 30–60 min per interview | 45-120 min | 2-6 h | 2-8 h |
Participantsdifferent | 1 participant per interview | 2-6 | 2-8 | 5-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Interview Notes, Themes, Insight Summary | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Event Model, UI Flow, Commands, Read Models | Event Timeline, Ubiquitous Language, Boundaries, Open Questions |
Tagsno overlap | QualitativeResearchCustomerDiscovery | ChangeRoot causeTroubleshootingComparison | EventsBlueprintDomain-Driven DesignBehavior | Domain-Driven DesignEventsDiscoveryWorkshop |