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| Criterion |  Architecture Quality Attribute Workshop |  Architecture C4 Model |  UX Research Affinity Diagramming |
|---|---|---|---|
Purposedifferent | 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. | The C4 Model makes a system legible across several resolution levels, from context down to code. It suits situations where different audiences need to understand the same architecture from different altitudes. | 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 | 2-4 h | 1-4 h | 45–90 min |
Participantsdifferent | 5-15 | 1-5 | 3-10 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Quality Scenarios, Priority List, Architecture Concerns | Context Diagram, Container Diagram, Component Diagram | Theme clusters, Insight statements, Opportunity areas |
Tagsno overlap | RequirementsArchitectureWorkshop | ArchitectureCommunicationVisualization | SynthesisQualitativeRoot cause |
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