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| Criterion |  UX Research First-click Testing |  Architecture Architecture Decision Record |  UX Research Card Sorting |  Architecture arc42 |
|---|---|---|---|---|
Purposedifferent | 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. | 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 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. | arc42 structures architecture knowledge so teams can document system, decisions, and risks consistently. The template builds a living understanding of the architecture instead of scattered notes. |
Complexitysame | Low | Low | Low | Low |
Timedifferent | 1-2 Tage | 15-45 min | 20-45 min | 1-2 Tage |
Participantsdifferent | 10-30 | 1-3 | Based on research question | 1-4 |
Formatdifferent | Async | Async | Workshop + async | Workshop + async |
Outputdifferent | Click Heatmap, Success Rate, Design Recommendations | ADR File, Decision Log, Rationale | Content groups, Label set, IA hypotheses | Architecture Document, Context View, Runtime View, Deployment View |
Tagsno overlap | UXNavigationFindabilityValidation | ArchitectureRationaleDocumentationGovernance | Information architectureNavigationStructure | ArchitectureDocumentationCommunication |