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| Criterion |  Architecture C4 Model |  UX Research Tree Testing |  Architecture Architecture Decision Record |  UX Research First-click Testing |
|---|---|---|---|---|
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 a navigation exists but search paths still fail, tree testing checks findability without visual distraction. The method shows whether labels, levels, and paths really lead to the intended destination. | 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. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 1-4 h | 1-2 Tage | 15-45 min | 1-2 Tage |
Participantsdifferent | 1-5 | Based on research question | 1-3 | 10-30 |
Formatdifferent | Workshop + async | Async | Async | Async |
Outputdifferent | Context Diagram, Container Diagram, Component Diagram | Findability Metrics, Path Analysis, Revised IA | ADR File, Decision Log, Rationale | Click Heatmap, Success Rate, Design Recommendations |
Tagsno overlap | ArchitectureCommunicationVisualization | Information architectureNavigationFindability | ArchitectureRationaleDocumentationGovernance | UXNavigationFindabilityValidation |