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| Criterion |  Operations RACI Matrix |  UX Research Customer Journey Mapping |  Architecture arc42 |  Architecture Architecture Decision Record |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | 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 | Low | Medium | Low | Low |
Timedifferent | 45-90 min | 2-4 h | 1-2 Tage | 15-45 min |
Participantsdifferent | 2-8 | 4-10 | 1-4 | 1-3 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Async |
Outputdifferent | RACI Matrix, Responsibility Map, Decision Notes | Journey Map, Pain-point List, Opportunity Backlog | Architecture Document, Context View, Runtime View, Deployment View | ADR File, Decision Log, Rationale |
Tagsno overlap | RolesResponsibilityGovernanceOperations | JourneyServiceService design | ArchitectureDocumentationCommunication | ArchitectureRationaleDocumentationGovernance |