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Selected:Value Chain AnalysisARID (Active Reviews for Intermediate Designs)Riskiest Assumption TestBusiness Model Stress Test
| Criterion |  Business Strategy Value Chain Analysis |  Architecture ARID (Active Reviews for Intermediate Designs) |  Product Discovery Riskiest Assumption Test |  Business Strategy Business Model Stress Test |
|---|---|---|---|---|
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. | 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 an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. | 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. |
Complexitydifferent | High | Medium | Medium | High |
Timedifferent | Half day | 2–4 h review as a planning range; preparation and evaluation additional | 1-2 Wochen pro Iteration | Half day |
Participantsdifferent | 3-8 | Designers, developers as users, and facilitation | 2-6 | 3-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Value Chain Map, Lever List | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Prioritized Assumption List, Test Plan, Results Report | Stress Test Report, Action Plan per Scenario |
Tagsno overlap | StrategyBusiness modelDiagnosisAnalysis | ArchitectureEngineeringFeedbackValidationTasks | ExperimentsValidationDiscoveryAssumptions | StrategyBusiness modelRiskDiagnosis |