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Selected:First-click TestingFault IsolationSolution InterviewARID (Active Reviews for Intermediate Designs)
| Criterion |  UX Research First-click Testing |  Engineering Fault Isolation |  Product Discovery Solution Interview |  Architecture ARID (Active Reviews for Intermediate Designs) |
|---|---|---|---|---|
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. | When a solution idea is already on the table, it checks how it is understood and evaluated. It looks for resonance, objections, and missing fit early in the conversation. | 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. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 1-2 Tage | 30-180 min | 30-60 min je Interview | 2–4 h review as a planning range; preparation and evaluation additional |
Participantsdifferent | 10-30 | 1-6 | 5-10 Interviews | Designers, developers as users, and facilitation |
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 | Solution Feedback, Objection List, Validation Notes | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions |
Tagsno overlap | UXNavigationFindabilityValidation | TroubleshootingDiagnosisEngineering | ValidationInterviewsPrototype | ArchitectureEngineeringFeedbackValidationTasks |