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Selected:Lean CanvasArchitecture Decision RecordARID (Active Reviews for Intermediate Designs)Lean Startup
| Criterion |  Product Strategy Lean Canvas |  Architecture Architecture Decision Record |  Architecture ARID (Active Reviews for Intermediate Designs) |  Innovation Lean Startup |
|---|---|---|---|---|
Purposedifferent | 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. | An ADR permanently records an architecture decision with context, trade-offs, and consequence. It creates continuity for later changes because the decision path stays traceable. | 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. | 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 | Low | Medium | Medium |
Timedifferent | 45-90 min | 15-45 min | 2–4 h review as a planning range; preparation and evaluation additional | Wochen bis Monate je Lernzyklus |
Participantsdifferent | 1-6 | 1-3 | Designers, developers as users, and facilitation | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Lean Canvas, Core Assumptions, Experiment Backlog | ADR File, Decision Log, Rationale | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision |
Tagsno overlap | StartupLeanAssumptionsBusiness model | ArchitectureRationaleDocumentationGovernance | ArchitectureEngineeringFeedbackValidationTasks | LeanStartupValidationMVP |