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Selected:ARID (Active Reviews for Intermediate Designs)Hypothesis-Driven TroubleshootingLean StartupFault Isolation
| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Engineering Hypothesis-Driven Troubleshooting |  Innovation Lean Startup |  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. | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | 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. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 30-240 min | Wochen bis Monate je Lernzyklus | 30-180 min |
Participantsdifferent | Designers, developers as users, and facilitation | 1-6 | 2-8 | 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 | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | TroubleshootingProblem solvingDiagnosis | LeanStartupValidationMVP | TroubleshootingDiagnosisEngineering |