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| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Business Strategy Business Model Stress Test |  Product Discovery Fake Door Test |
|---|---|---|---|
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. | 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. | When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | Half day | 1-5 Tage |
Participantsdifferent | Designers, developers as users, and facilitation | 3-8 | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop | Async |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Stress Test Report, Action Plan per Scenario | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | StrategyBusiness modelRiskDiagnosis | ValidationExperimentsDemandDiscovery |
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