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| Criterion |  Architecture Architecture Decision Record |  UX Research First-click Testing |  Architecture Request for Comments |  Decision Making DACI |
|---|---|---|---|---|
Purposedifferent | 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. | When users immediately turn the wrong way on a screen or wireframe, first click testing checks initial orientation at high speed. The first click shows early whether expectation, labeling, and wayfinding fit together. | An RFC clarifies architecture context, options, and consequences. It structures technical context, alternatives, tradeoffs, open questions, and review feedback, and captures the result as an RFC document, reviewer comments, and a decision rationale. | In cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 15-45 min | 1-2 Tage | 1-3 Wochen vom Draft bis zur Entscheidung | 30-60 min |
Participantsdifferent | 1-3 | 10-30 | 3-20 Reviewer | 2-10 |
Formatdifferent | Async | Async | Async | Workshop + async |
Outputdifferent | ADR File, Decision Log, Rationale | Click Heatmap, Success Rate, Design Recommendations | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | ArchitectureRationaleDocumentationGovernance | UXNavigationFindabilityValidation | ArchitectureDecisionAsyncGovernance | DecisionRolesGovernanceAlignment |