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| Criterion |  UX Research Usability Testing |  Architecture Architecture Decision Record |  UX Research Card Sorting |  UX Research First-click Testing |
|---|---|---|---|---|
Purposedifferent | When a product is built but people get stuck on tasks, usability testing shows the friction at concrete points. Observed use instead of self-report makes visible where orientation, understanding, or interaction breaks down. | 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. | 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 | Medium | Low | Low | Low |
Timedifferent | 1-2 h je Session | 15-45 min | 20-45 min | 1-2 Tage |
Participantsdifferent | Based on research question | 1-3 | Based on research question | 10-30 |
Formatdifferent | Workshop + async | Async | Workshop + async | Async |
Outputdifferent | Usability Issues, Severity List, Recommendations | ADR File, Decision Log, Rationale | Content groups, Label set, IA hypotheses | Click Heatmap, Success Rate, Design Recommendations |
Tagsno overlap | ValidationUXPrototype | ArchitectureRationaleDocumentationGovernance | Information architectureNavigationStructure | UXNavigationFindabilityValidation |