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Selected:ARID (Active Reviews for Intermediate Designs)User InterviewsLearning CardExperiment Canvas
| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  UX Research User Interviews |  Product Discovery Learning Card |  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 teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible. | 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 | Low | Low | Low |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 30–60 min per interview | 25-40 min | 30-60 min |
Participantsdifferent | Designers, developers as users, and facilitation | 1 participant per interview | 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 | Interview Notes, Themes, Insight Summary | Learning Card with evidence and next action | Completed Experiment Canvas, Success Metric |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | QualitativeResearchCustomerDiscovery | ExperimentsValidationDiscoveryLearning | ExperimentsValidationDiscoveryHypothesis |