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| Criterion |  Knowledge Modeling Event Modeling |  UX Research Personas |  Architecture C4 Model |  UX Research User Interviews |
|---|---|---|---|---|
Purposedifferent | 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 target groups stay too vague and teams talk about the same people differently, personas create a shared, solid picture of usage. Condensed profiles make needs, contexts, and differences tangible enough for decisions. | The C4 Model makes a system legible across several resolution levels, from context down to code. It suits situations where different audiences need to understand the same architecture from different altitudes. | 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. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 2-6 h | 1-3 Tage | 1-4 h | 30–60 min per interview |
Participantsdifferent | 2-8 | Internes Team | 1-5 | 1 participant per interview |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Event Model, UI Flow, Commands, Read Models | Persona Profiles, Needs Summary, Scenario Notes | Context Diagram, Container Diagram, Component Diagram | Interview Notes, Themes, Insight Summary |
Tagsno overlap | EventsBlueprintDomain-Driven DesignBehavior | ResearchCustomerSynthesis | ArchitectureCommunicationVisualization | QualitativeResearchCustomerDiscovery |