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Selected:Fault IsolationARID (Active Reviews for Intermediate Designs)HEART FrameworkHypothesis-Driven Troubleshooting
| Criterion |  Engineering Fault Isolation |  Architecture ARID (Active Reviews for Intermediate Designs) |  UX Research HEART Framework |  Engineering Hypothesis-Driven Troubleshooting |
|---|---|---|---|---|
Purposedifferent | 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. | Helps clarify observations, needs, and patterns in concrete terms. It groups observations into patterns, questions, and decisions. The result is captured as a HEART-GSM table and dashboard. | When systems fail unexpectedly, spontaneous attempts often produce more noise than insight. Hypothesis-driven Troubleshooting translates symptoms into testable assumptions and makes troubleshooting learnable. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 30-180 min | 2–4 h review as a planning range; preparation and evaluation additional | 120 min initial, dann laufend | 30-240 min |
Participantsdifferent | 1-6 | Designers, developers as users, and facilitation | 3-6 | 1-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | 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 | HEART-GSM Table, Dashboard | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary |
Tagsno overlap | TroubleshootingDiagnosisEngineering | ArchitectureEngineeringFeedbackValidationTasks | MetricsUX researchMeasurementSatisfaction | TroubleshootingProblem solvingDiagnosis |