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Selected:ARID (Active Reviews for Intermediate Designs)Evaporating Cloud Assumption Surfacing Assumption Mapping

Criterion	Architecture ARID (Active Reviews for Intermediate Designs)	Systems Thinking Evaporating Cloud	Decision Making Assumption Surfacing	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.	The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict.	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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first.
Complexitydifferent	Medium	Medium	Low	Medium
Timedifferent	2–4 h review as a planning range; preparation and evaluation additional	60-120 min	45-90 min	45-60 min
Participantsdifferent	Designers, developers as users, and facilitation	2-8	2-8	2-8
Formatdifferent	Workshop + async	Workshop	Workshop + async	Workshop + async
Outputdifferent	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments	Assumption List, Critical Assumptions, Learning Plan	Assumption map, Test backlog, Risk ranking
Tagsno overlap	ArchitectureEngineeringFeedbackValidationTasks	Theory of ConstraintsAssumptionsSystems thinking	AssumptionsRiskDecisionDiscovery	AssumptionsRiskExperimentsValidation

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