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| Criterion |  Architecture C4 Model |  UX Research Affinity Diagramming |  Operations Kepner-Tregoe |
|---|---|---|---|
Purposedifferent | 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. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | Low | Low | High |
Timedifferent | 1-4 h | 45–90 min | 2-8 h |
Participantsdifferent | 1-5 | 3-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Theme clusters, Insight statements, Opportunity areas | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | ArchitectureCommunicationVisualization | SynthesisQualitativeRoot cause | Problem solvingRoot causeDecisionOperations |
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