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| Criterion |  Engineering Fault Isolation |  Business Strategy Business Model Stress Test |  Architecture ARID (Active Reviews for Intermediate Designs) |
|---|---|---|---|
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. | A Business Model Stress Test checks how well a business model holds up under pressure and headwinds. It compares strengths, risks, market logic, and courses of action. The result is captured as a stress-test report and action plan per scenario. | 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 | Medium | High | Medium |
Timedifferent | 30-180 min | Half day | 2–4 h review as a planning range; preparation and evaluation additional |
Participantsdifferent | 1-6 | 3-8 | Designers, developers as users, and facilitation |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Stress Test Report, Action Plan per Scenario | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions |
Tagsno overlap | TroubleshootingDiagnosisEngineering | StrategyBusiness modelRiskDiagnosis | ArchitectureEngineeringFeedbackValidationTasks |
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