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| Criterion |  UX Research Personas |  UX Research Customer Journey Mapping |  Architecture Architecture Decision Record |  Architecture arc42 |
|---|---|---|---|---|
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. | 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. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 1-3 Tage | 2-4 h | 15-45 min | 1-2 Tage |
Participantsdifferent | Internes Team | 4-10 | 1-3 | 1-4 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | Persona Profiles, Needs Summary, Scenario Notes | Journey Map, Pain-point List, Opportunity Backlog | ADR File, Decision Log, Rationale | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | ResearchCustomerSynthesis | JourneyServiceService design | ArchitectureRationaleDocumentationGovernance | ArchitectureDocumentationCommunication |