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Selected:Lean CanvasARID (Active Reviews for Intermediate Designs)Software Architecture CanvasLean Startup
| Criterion |  Product Strategy Lean Canvas |  Architecture ARID (Active Reviews for Intermediate Designs) |  Architecture Software Architecture Canvas |  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. | 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. | The Software Architecture Canvas reduces a system to the most important architecture decisions, constraints, and interfaces. It is useful when teams need a resilient overall picture quickly. | 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 | Medium | Low | Medium |
Timedifferent | 45-90 min | 2–4 h review as a planning range; preparation and evaluation additional | 1-2 h | Wochen bis Monate je Lernzyklus |
Participantsdifferent | 1-6 | Designers, developers as users, and facilitation | 3-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Lean Canvas, Core Assumptions, Experiment Backlog | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Architecture Canvas, Goals, Constraints, Quality Attributes | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision |
Tagsno overlap | StartupLeanAssumptionsBusiness model | ArchitectureEngineeringFeedbackValidationTasks | CanvasArchitectureAlignmentWorkshop | LeanStartupValidationMVP |