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Selected:Hypothesis-Driven TroubleshootingRisk StormingARID (Active Reviews for Intermediate Designs)Fault Isolation
| Criterion |  Engineering Hypothesis-Driven Troubleshooting |  Architecture Risk Storming |  Architecture ARID (Active Reviews for Intermediate Designs) |  Engineering Fault Isolation |
|---|---|---|---|---|
Purposedifferent | When systems fail unexpectedly, spontaneous attempts often produce more noise than insight. Hypothesis-driven Troubleshooting translates symptoms into testable assumptions and makes troubleshooting learnable. | 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. | 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. |
Complexitydifferent | Medium | Low | Medium | Medium |
Timedifferent | 30-240 min | 60-90 min | 2–4 h review as a planning range; preparation and evaluation additional | 30-180 min |
Participantsdifferent | 1-6 | 4-12 | Designers, developers as users, and facilitation | 1-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | Annotated Diagram, Prioritized Risk List, Action Backlog | 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 |
Tagsno overlap | TroubleshootingProblem solvingDiagnosis | RiskArchitectureWorkshopValidation | ArchitectureEngineeringFeedbackValidationTasks | TroubleshootingDiagnosisEngineering |