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Selected:5-Minuten VC-CheckFault IsolationAssumption MappingARID (Active Reviews for Intermediate Designs)
| Criterion |  Business Strategy 5-Minuten VC-Check |  Engineering Fault Isolation |  Product Discovery Assumption Mapping |  Architecture ARID (Active Reviews for Intermediate Designs) |
|---|---|---|---|---|
Purposedifferent | The 5-Minute VC Check clarifies opportunities and strategic options at the earliest idea stage. It compares problem quality, customer willingness to pay, alternatives, differentiation, and market potential, and captures the result as a VC-check note, go/sharpen/park decision, and risk list. | 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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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 | Low | Medium | Medium | Medium |
Timedifferent | 5-15 min | 30-180 min | 45-60 min | 2–4 h review as a planning range; preparation and evaluation additional |
Participantsdifferent | 1-5 | 1-6 | 2-8 | Designers, developers as users, and facilitation |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | VC-check note, Go/sharpen/park decision, Risk and assumption list, Next validation step | Fault Isolation Map, Test Log, Excluded Hypotheses, Narrowed Fault Area | Assumption map, Test backlog, Risk ranking | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions |
Tagsno overlap | StartupValidationCompetition | TroubleshootingDiagnosisEngineering | AssumptionsRiskExperimentsValidation | ArchitectureEngineeringFeedbackValidationTasks |