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| Criterion |  UX Research Affinity Diagramming |  Architecture Quality Attribute Workshop |  Decision Making DACI |  Decision Making RAPID |
|---|---|---|---|---|
Purposedifferent | 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. | A Quality Attribute Workshop translates quality requirements into concrete scenarios and architecture impulses. The method brings product, engineering, and operations to the same view of desired properties. | 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. | In complex management decisions, clarity is often missing about who recommends, who agrees, and who makes the decision. RAPID creates this assignment and stabilizes decisions across several levels. |
Complexitydifferent | Low | Medium | Low | Medium |
Timedifferent | 45–90 min | 2-4 h | 30-60 min | 45-90 min |
Participantsdifferent | 3-10 | 5-15 | 2-10 | 3-12 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Theme clusters, Insight statements, Opportunity areas | Quality Scenarios, Priority List, Architecture Concerns | DACI Matrix, Decision Owner, Decision Log | RAPID Role Map, Recommendation, Decision Log |
Tagsno overlap | SynthesisQualitativeRoot cause | RequirementsArchitectureWorkshop | DecisionRolesGovernanceAlignment | DecisionRolesGovernance |