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| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Product Strategy Lean Canvas |  Product Discovery Experiment Canvas |
|---|---|---|---|
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. | When experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. |
Complexitydifferent | Medium | Medium | Low |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 45-90 min | 30-60 min |
Participantsdifferent | Designers, developers as users, and facilitation | 1-6 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Lean Canvas, Core Assumptions, Experiment Backlog | Completed Experiment Canvas, Success Metric |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | StartupLeanAssumptionsBusiness model | ExperimentsValidationDiscoveryHypothesis |
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