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Selected:ARID (Active Reviews for Intermediate Designs)Evaporating CloudA/B TestingRiskiest Assumption Test
| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Systems Thinking Evaporating Cloud |  Growth A/B Testing |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|---|
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. | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. | When two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. | When an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. |
Complexitydifferent | Medium | Medium | High | Medium |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 60-120 min | 1-4 Wochen | 1-2 Wochen pro Iteration |
Participantsdifferent | Designers, developers as users, and facilitation | 2-8 | 1-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | Experiment results, Decision log, Learning summary | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | Theory of ConstraintsAssumptionsSystems thinking | ExperimentsGrowthAnalyticsValidation | ExperimentsValidationDiscoveryAssumptions |