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| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Facilitation Alignment Mapping |  Product Discovery Experiment Canvas |  Product Discovery Test Card |
|---|---|---|---|---|
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 several people work toward one goal but hold different mental maps, Alignment Mapping makes the discrepancies visible. It arranges goals, assumptions, and priorities so shared direction becomes verifiable. | 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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Medium | Medium | Low | Low |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 1-2 h | 30-60 min | 20-35 min |
Participantsdifferent | Designers, developers as users, and facilitation | 4-12 | 1-5 | 1-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Alignment Map, Open Issues, Decision Questions | Completed Experiment Canvas, Success Metric | Test Card with a pre-set threshold |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | AlignmentStakeholdersStrategyFacilitation | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryHypothesis |