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| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  UX Research Card Sorting |  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 content only makes sense internally and users can't find the structure again, card sorting exposes their mental order. Terms, groups, and naming are then aligned with the target group's expectations. | 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 | Low | Low | Low |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 20-45 min | 30-60 min | 20-35 min |
Participantsdifferent | Designers, developers as users, and facilitation | Based on research question | 1-5 | 1-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Content groups, Label set, IA hypotheses | Completed Experiment Canvas, Success Metric | Test Card with a pre-set threshold |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | Information architectureNavigationStructure | ExperimentsValidationDiscoveryHypothesis | ExperimentsValidationDiscoveryHypothesis |