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| Criterion |  Product Discovery Test Card |  Architecture ARID (Active Reviews for Intermediate Designs) |
|---|---|---|
Purposedifferent | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | 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 | Low | Medium |
Timedifferent | 20-35 min | 2–4 h review as a planning range; preparation and evaluation additional |
Participantsdifferent | 1-5 | Designers, developers as users, and facilitation |
Formatsame | Workshop + async | Workshop + async |
Outputdifferent | Test Card with a pre-set threshold | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions |
Tags1 shared | ExperimentsValidationDiscoveryHypothesis | ArchitectureEngineeringFeedbackValidationTasks |
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