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| Criterion |  UX Research Personas |  Operations RACI Matrix |  Architecture arc42 |  Architecture Architecture Decision Record |
|---|---|---|---|---|
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. | With unclear responsibilities across several roles or areas, the method creates unambiguous accountability logic. It reduces friction because decision, execution, contribution, and information become separately visible. | 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. | 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. |
Complexitydifferent | Medium | Low | Low | Low |
Timedifferent | 1-3 Tage | 45-90 min | 1-2 Tage | 15-45 min |
Participantsdifferent | Internes Team | 2-8 | 1-4 | 1-3 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Persona Profiles, Needs Summary, Scenario Notes | RACI Matrix, Responsibility Map, Decision Notes | Architecture Document, Context View, Runtime View, Deployment View | ADR File, Decision Log, Rationale |
Tagsno overlap | ResearchCustomerSynthesis | RolesResponsibilityGovernanceOperations | ArchitectureDocumentationCommunication | ArchitectureRationaleDocumentationGovernance |