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Selected:ARID (Active Reviews for Intermediate Designs)Experiment CanvasLASR (Lightweight Approach for Software Reviews)Test Card
| Criterion | ![]() Architecture ARID (Active Reviews for Intermediate Designs) | ![]() Product Discovery Experiment Canvas | ![]() Architecture LASR (Lightweight Approach for Software Reviews) | ![]() 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 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. | LASR helps development teams identify where their software falls short of important quality goals and which improvements to consider. A small group with existing system knowledge can make an initial assessment and investigate open questions in more detail. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. |
Complexitydifferent | Medium | Low | Medium | Low |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 30-60 min | 3–4 h for initial assessment; preparation and deeper analysis additional | 20-35 min |
Participantsdifferent | Designers, developers as users, and facilitation | 1-5 | 1 or a small team; particularly suitable for 3–4 people | 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 | Completed Experiment Canvas, Success Metric | Lean Mission Statement describing the software’s purpose, Prioritized quality goals and evaluation criteria, Risks and estimated gaps against quality goals, More closely examined findings and open checks | Test Card with a pre-set threshold |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | ExperimentsValidationDiscoveryHypothesis | ArchitectureQualityRiskAssessmentLean | ExperimentsValidationDiscoveryHypothesis |



