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Selected:Value Chain AnalysisBusiness Model Stress TestARID (Active Reviews for Intermediate Designs)Assumption Mapping
| Criterion |  Business Strategy Value Chain Analysis |  Business Strategy Business Model Stress Test |  Architecture ARID (Active Reviews for Intermediate Designs) |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
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. | A Business Model Stress Test checks how well a business model holds up under pressure and headwinds. It compares strengths, risks, market logic, and courses of action. The result is captured as a stress-test report and action plan per scenario. | 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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | High | High | Medium | Medium |
Timedifferent | Half day | Half day | 2–4 h review as a planning range; preparation and evaluation additional | 45-60 min |
Participantsdifferent | 3-8 | 3-8 | Designers, developers as users, and facilitation | 2-8 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Value Chain Map, Lever List | Stress Test Report, Action Plan per Scenario | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | StrategyBusiness modelDiagnosisAnalysis | StrategyBusiness modelRiskDiagnosis | ArchitectureEngineeringFeedbackValidationTasks | AssumptionsRiskExperimentsValidation |