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Selected:ARID (Active Reviews for Intermediate Designs)3-Circle Venn Diagram Assumption Mapping A/B Testing

Criterion	Architecture ARID (Active Reviews for Intermediate Designs)	Facilitation 3-Circle Venn Diagram	Product Discovery Assumption Mapping	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 three perspectives matter at the same time, a Three-Circle Venn Diagram shows the overlaps and remainders precisely. It makes visible where shared effect arises and where only a partial perspective applies.	When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first.	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	Medium	High
Timedifferent	2–4 h review as a planning range; preparation and evaluation additional	15-45 min	45-60 min	1-4 Wochen
Participantsdifferent	Designers, developers as users, and facilitation	2-8	2-8	1-6
Formatdifferent	Workshop + async	Workshop + async	Workshop + async	Async
Outputdifferent	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	Venn Diagram, Overlap Notes, Differentiators	Assumption map, Test backlog, Risk ranking	Experiment results, Decision log, Learning summary
Tagsno overlap	ArchitectureEngineeringFeedbackValidationTasks	ComparisonFacilitationAlignment	AssumptionsRiskExperimentsValidation	ExperimentsGrowthAnalyticsValidation

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