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Selected:ARID (Active Reviews for Intermediate Designs)Assumption Surfacing Problem Interview Assumption Mapping

Criterion	Architecture ARID (Active Reviews for Intermediate Designs)	Decision Making Assumption Surfacing	Product Discovery Problem Interview	Product Discovery Assumption Mapping
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.	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.	When the picture of the problem still needs to become solid, it asks about real situations and consequences. It separates genuine suffering from mere interest in a solution.	When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first.
Complexitydifferent	Medium	Low	Medium	Medium
Timedifferent	2–4 h review as a planning range; preparation and evaluation additional	45-90 min	30-60 min je Interview	45-60 min
Participantsdifferent	Designers, developers as users, and facilitation	2-8	5-12 Interviews	2-8
Formatsame	Workshop + async	Workshop + async	Workshop + async	Workshop + async
Outputdifferent	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	Assumption List, Critical Assumptions, Learning Plan	Problem Evidence, Risk Notes, Customer Segments	Assumption map, Test backlog, Risk ranking
Tagsno overlap	ArchitectureEngineeringFeedbackValidationTasks	AssumptionsRiskDecisionDiscovery	DiscoveryInterviewsValidation	AssumptionsRiskExperimentsValidation

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