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| Criterion |  UX Research User Interviews |  Domain Modeling EventStorming |  Systems Thinking Future Reality Tree |  Knowledge Modeling Event Modeling |
|---|---|---|---|---|
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. | 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. | A Future Reality Tree shows how desired actions are meant to lead to a better system state. The method checks whether a path of change holds together logically before time flows into implementation. | 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. |
Complexitydifferent | Low | Medium | High | Medium |
Timedifferent | 30–60 min per interview | 2-8 h | 2-4 h | 2-6 h |
Participantsdifferent | 1 participant per interview | 5-12 | 3-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Event Timeline, Ubiquitous Language, Boundaries, Open Questions | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Event Model, UI Flow, Commands, Read Models |
Tagsno overlap | QualitativeResearchCustomerDiscovery | Domain-Driven DesignEventsDiscoveryWorkshop | Theory of ConstraintsSystems thinkingChange | EventsBlueprintDomain-Driven DesignBehavior |