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| Criterion |  Product Strategy Lean Canvas |  Architecture Risk Storming |  Architecture ARID (Active Reviews for Intermediate Designs) |
|---|---|---|---|
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. | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. | 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. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 45-90 min | 60-90 min | 2–4 h review as a planning range; preparation and evaluation additional |
Participantsdifferent | 1-6 | 4-12 | Designers, developers as users, and facilitation |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Lean Canvas, Core Assumptions, Experiment Backlog | Annotated Diagram, Prioritized Risk List, Action Backlog | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions |
Tagsno overlap | StartupLeanAssumptionsBusiness model | RiskArchitectureWorkshopValidation | ArchitectureEngineeringFeedbackValidationTasks |
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