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Selected:ARID (Active Reviews for Intermediate Designs)Hypothesis-Driven TroubleshootingATAM (Architecture Tradeoff Analysis Method)Fault Isolation
| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Engineering Hypothesis-Driven Troubleshooting |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Engineering Fault Isolation |
|---|---|---|---|---|
Purposedifferent | 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 systems fail unexpectedly, spontaneous attempts often produce more noise than insight. Hypothesis-driven Troubleshooting translates symptoms into testable assumptions and makes troubleshooting learnable. | ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation. | 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 | Medium | High | Medium |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 30-240 min | Several meetings plus preparation and analysis; total effort depends on scope | 30-180 min |
Participantsdifferent | Designers, developers as users, and facilitation | 1-6 | Evaluation team, architects, and relevant stakeholders | 1-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Hypothesis Log, Test Plan, Evidence Notes, Diagnosis Summary | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | TroubleshootingProblem solvingDiagnosis | ArchitectureQualityRiskTradeoffsStakeholders | TroubleshootingDiagnosisEngineering |