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| Criterion |  Architecture Request for Comments |  Decision Making DACI |  UX Research Affinity Diagramming |
|---|---|---|---|
Purposedifferent | 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. | When research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 1-3 Wochen vom Draft bis zur Entscheidung | 30-60 min | 45–90 min |
Participantsdifferent | 3-20 Reviewer | 2-10 | 3-10 |
Formatdifferent | Async | Workshop + async | Workshop |
Outputdifferent | RFC document, Reviewer comments, Decision rationale, Follow-up ADR or tickets | DACI Matrix, Decision Owner, Decision Log | Theme clusters, Insight statements, Opportunity areas |
Tagsno overlap | ArchitectureDecisionAsyncGovernance | DecisionRolesGovernanceAlignment | SynthesisQualitativeRoot cause |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
