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Selected:ARID (Active Reviews for Intermediate Designs)Lean CanvasValue Chain AnalysisBusiness Model Stress Test
| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Product Strategy Lean Canvas |  Business Strategy Value Chain Analysis |  Business Strategy Business Model Stress 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. | When an early product bet still has too many open points, it brings target group, problem, and assumptions into a single view. It condenses the idea so core risks become nameable. | 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. |
Complexitydifferent | Medium | Medium | High | High |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 45-90 min | Half day | Half day |
Participantsdifferent | Designers, developers as users, and facilitation | 1-6 | 3-8 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Lean Canvas, Core Assumptions, Experiment Backlog | Value Chain Map, Lever List | Stress Test Report, Action Plan per Scenario |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | StartupLeanAssumptionsBusiness model | StrategyBusiness modelDiagnosisAnalysis | StrategyBusiness modelRiskDiagnosis |