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Selected:Usability Testing ARID (Active Reviews for Intermediate Designs)A/B Testing Assumption Mapping

Criterion	UX Research Usability Testing	Architecture ARID (Active Reviews for Intermediate Designs)	Growth A/B Testing	Product Discovery Assumption Mapping
Purposedifferent	When a product is built but people get stuck on tasks, usability testing shows the friction at concrete points. Observed use instead of self-report makes visible where orientation, understanding, or interaction breaks down.	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 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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first.
Complexitydifferent	Medium	Medium	High	Medium
Timedifferent	1-2 h je Session	2–4 h review as a planning range; preparation and evaluation additional	1-4 Wochen	45-60 min
Participantsdifferent	Based on research question	Designers, developers as users, and facilitation	1-6	2-8
Formatdifferent	Workshop + async	Workshop + async	Async	Workshop + async
Outputdifferent	Usability Issues, Severity List, Recommendations	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	Experiment results, Decision log, Learning summary	Assumption map, Test backlog, Risk ranking
Tags1 shared	ValidationUXPrototype	ArchitectureEngineeringFeedbackValidationTasks	ExperimentsGrowthAnalyticsValidation	AssumptionsRiskExperimentsValidation

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