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Selected:Landing Page Test ARID (Active Reviews for Intermediate Designs)Assumption Mapping Assumption Surfacing

Criterion	Product Discovery Landing Page Test	Architecture ARID (Active Reviews for Intermediate Designs)	Product Discovery Assumption Mapping	Decision Making Assumption Surfacing
Purposedifferent	When a value proposition first needs to be checked for resonance, it condenses the idea onto a focused entry page. It shows whether language and offering carry interest.	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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first.	Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it.
Complexitydifferent	Medium	Medium	Medium	Low
Timedifferent	1-5 Tage	2–4 h review as a planning range; preparation and evaluation additional	45-60 min	45-90 min
Participantsdifferent	Nutzertraffic	Designers, developers as users, and facilitation	2-8	2-8
Formatdifferent	Async	Workshop + async	Workshop + async	Workshop + async
Outputdifferent	Landing Page, Conversion Data, Learning Summary	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	Assumption map, Test backlog, Risk ranking	Assumption List, Critical Assumptions, Learning Plan
Tagsno overlap	ValidationConversionMarketing	ArchitectureEngineeringFeedbackValidationTasks	AssumptionsRiskExperimentsValidation	AssumptionsRiskDecisionDiscovery

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