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| Criterion |  UX Research Card Sorting |  Architecture C4 Model |  UX Research First-click Testing |
|---|---|---|---|
Purposedifferent | When content only makes sense internally and users can't find the structure again, card sorting exposes their mental order. Terms, groups, and naming are then aligned with the target group's expectations. | 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 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. |
Complexitysame | Low | Low | Low |
Timedifferent | 20-45 min | 1-4 h | 1-2 Tage |
Participantsdifferent | Based on research question | 1-5 | 10-30 |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Content groups, Label set, IA hypotheses | Context Diagram, Container Diagram, Component Diagram | Click Heatmap, Success Rate, Design Recommendations |
Tagsno overlap | Information architectureNavigationStructure | ArchitectureCommunicationVisualization | UXNavigationFindabilityValidation |
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