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Selected:Shape UpARID (Active Reviews for Intermediate Designs)Hypothesis-Driven TroubleshootingFault Isolation
| Criterion |  Delivery Shape Up |  Architecture ARID (Active Reviews for Intermediate Designs) |  Engineering Hypothesis-Driven Troubleshooting |  Engineering Fault Isolation |
|---|---|---|---|---|
Purposedifferent | Shape Up helps clarify scope, sequence, and delivery flow. It makes work boundaries and decisions explicit and captures results as pitches, bet-table decisions, and hill charts. | 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. | 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 | 6 Wochen Cycle + 2 Wochen Cool-Down | 2–4 h review as a planning range; preparation and evaluation additional | 30-240 min | 30-180 min |
Participantsdifferent | 2-4 pro Pitch | Designers, developers as users, and facilitation | 1-6 | 1-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Pitches, Bet-table decisions, Hill charts, Cooldown outcomes | 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 | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area |
Tagsno overlap | PlanningDeliveryAutonomy | ArchitectureEngineeringFeedbackValidationTasks | TroubleshootingProblem solvingDiagnosis | TroubleshootingDiagnosisEngineering |