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Selected:ARID (Active Reviews for Intermediate Designs)Hypothesis Prioritization CanvasLearning CardMVP Test Matrix
| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Product Discovery Hypothesis Prioritization Canvas |  Product Discovery Learning Card |  Product Discovery MVP Test Matrix |
|---|---|---|---|---|
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 many hypotheses compete for attention, it brings order to their learning sequence and importance. It separates problem, assumption, solution, and evidence. The result is captured as a prioritization canvas and a hypothesis backlog. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | When several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 60-90 min | 25-40 min | 45-75 min |
Participantsdifferent | Designers, developers as users, and facilitation | 3-8 | 1-5 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Prioritization Canvas, Hypothesis Backlog | Learning Card with evidence and next action | Test Matrix, Test Plan |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | ExperimentsPrioritizationDiscoveryHypothesis | ExperimentsValidationDiscoveryLearning | ExperimentsValidationDiscoveryOptions |