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| Criterion |  UX Research Personas |  Architecture C4 Model |  UX Research Customer Journey Mapping |  UX Design Service Blueprinting |
|---|---|---|---|---|
Purposedifferent | 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 a user journey falls apart across many touchpoints, customer journey mapping makes the experience visible as a coherent arc. Phases, emotions, and breaks become legible enough to prioritize critical moments deliberately. | When a service experience is spread across several touchpoints, it brings frontstage and backstage together. It shows where user contact and internal responsibility must fit. |
Complexitydifferent | Medium | Low | Medium | High |
Timedifferent | 1-3 Tage | 1-4 h | 2-4 h | 0.5-2 Tage |
Participantsdifferent | Internes Team | 1-5 | 4-10 | 6-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Persona Profiles, Needs Summary, Scenario Notes | Context Diagram, Container Diagram, Component Diagram | Journey Map, Pain-point List, Opportunity Backlog | Service Blueprint, Fail Points, Ownership Map |
Tagsno overlap | ResearchCustomerSynthesis | ArchitectureCommunicationVisualization | JourneyServiceService design | Service designOperationsJourneyBlueprint |