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Selected:First-click TestingFault IsolationARID (Active Reviews for Intermediate Designs)Usability Testing
| Criterion |  UX Research First-click Testing |  Engineering Fault Isolation |  Architecture ARID (Active Reviews for Intermediate Designs) |  UX Research Usability Testing |
|---|---|---|---|---|
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. | In technical failures, the visible symptom often gets mixed up with the actual cause. Fault Isolation narrows the fault space and progressively reduces which part of the system is truly affected. | ARID examines how well developers can work with a technical design. It focuses on a part of the system that can still be revised, between the architecture overview and the detailed specification. | 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. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 1-2 Tage | 30-180 min | 2–4 h review as a planning range; preparation and evaluation additional | 1-2 h je Session |
Participantsdifferent | 10-30 | 1-6 | Designers, developers as users, and facilitation | Based on research question |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Click Heatmap, Success Rate, Design Recommendations | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Usability Issues, Severity List, Recommendations |
Tagsno overlap | UXNavigationFindabilityValidation | TroubleshootingDiagnosisEngineering | ArchitectureEngineeringFeedbackValidationTasks | ValidationUXPrototype |