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Selected:Value Chain Analysis5-Minuten VC-CheckARID (Active Reviews for Intermediate Designs)Fault Isolation
| Criterion |  Business Strategy Value Chain Analysis |  Business Strategy 5-Minuten VC-Check |  Architecture ARID (Active Reviews for Intermediate Designs) |  Engineering Fault Isolation |
|---|---|---|---|---|
Purposedifferent | Value Chain Analysis shows where value is created, costs accrue, and differentiation becomes possible along the process. It compares strengths, risks, market logic, and courses of action. The result is captured as a value-chain map and lever list. | 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. | 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. |
Complexitydifferent | High | Low | Medium | Medium |
Timedifferent | Half day | 5-15 min | 2–4 h review as a planning range; preparation and evaluation additional | 30-180 min |
Participantsdifferent | 3-8 | 1-5 | Designers, developers as users, and facilitation | 1-6 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Value Chain Map, Lever List | VC-check note, Go/sharpen/park decision, Risk and assumption list, Next validation step | 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 |
Tagsno overlap | StrategyBusiness modelDiagnosisAnalysis | StartupValidationCompetition | ArchitectureEngineeringFeedbackValidationTasks | TroubleshootingDiagnosisEngineering |