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Selected:ARID (Active Reviews for Intermediate Designs)Fault IsolationDecision Framing WorkshopMVP Test Matrix
| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Engineering Fault Isolation |  Decision Making Decision Framing Workshop |  Product Discovery MVP Test Matrix |
|---|---|---|---|---|
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. | 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. | When a decision is poorly framed, even good answers deliver little value. A Decision Framing Workshop sharpens the problem, goal, and boundaries before the actual weighing begins. | When several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 30-180 min | 60-120 min | 45-75 min |
Participantsdifferent | Designers, developers as users, and facilitation | 1-6 | 4-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | 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 | Decision Frame, Decision Question, Criteria List, Evidence Plan | Test Matrix, Test Plan |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | TroubleshootingDiagnosisEngineering | Decision framingAlignmentCriteriaOptions | ExperimentsValidationDiscoveryOptions |