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Selected:Usability TestingARID (Active Reviews for Intermediate Designs)Fault IsolationRisk Storming
| Criterion |  UX Research Usability Testing |  Architecture ARID (Active Reviews for Intermediate Designs) |  Engineering Fault Isolation |  Architecture Risk Storming |
|---|---|---|---|---|
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. | 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. | 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. | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 1-2 h je Session | 2–4 h review as a planning range; preparation and evaluation additional | 30-180 min | 60-90 min |
Participantsdifferent | Based on research question | Designers, developers as users, and facilitation | 1-6 | 4-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Usability Issues, Severity List, Recommendations | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Annotated Diagram, Prioritized Risk List, Action Backlog |
Tagsno overlap | ValidationUXPrototype | ArchitectureEngineeringFeedbackValidationTasks | TroubleshootingDiagnosisEngineering | RiskArchitectureWorkshopValidation |