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| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Product Strategy Counter Metrics |  Growth A/B Testing |
|---|---|---|---|
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 a headline metric could mask side effects, it adds guardrail signals against unwanted outcomes. It connects customer value, product logic, and decision priorities. The result is captured as a counter-metric list and guardrail definitions. | 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. |
Complexitydifferent | Medium | Low | High |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 30-60 min | 1-4 Wochen |
Participantsdifferent | Designers, developers as users, and facilitation | 2-6 | 1-6 |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Counter Metric List, Guardrail Definitions | Experiment results, Decision log, Learning summary |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | MetricsMeasurementStrategyExperiments | ExperimentsGrowthAnalyticsValidation |
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