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Selected:ARID (Active Reviews for Intermediate Designs)Business Model Stress TestLean CanvasLean Startup
| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Business Strategy Business Model Stress Test |  Product Strategy Lean Canvas |  Innovation Lean Startup |
|---|---|---|---|---|
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 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. | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. |
Complexitydifferent | Medium | High | Medium | Medium |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | Half day | 45-90 min | Wochen bis Monate je Lernzyklus |
Participantsdifferent | Designers, developers as users, and facilitation | 3-8 | 1-6 | 2-8 |
Formatdifferent | Workshop + async | Workshop | 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 | Lean Canvas, Core Assumptions, Experiment Backlog | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | StrategyBusiness modelRiskDiagnosis | StartupLeanAssumptionsBusiness model | LeanStartupValidationMVP |