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

Criterion	Decision Making Assumption Surfacing	Architecture ARID (Active Reviews for Intermediate Designs)	Decision Making Argument Mapping	Product Discovery Assumption Mapping
Purposedifferent	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.	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 statements, evidence, and counterarguments get mixed up, a debate quickly loses its structure. Argument Mapping breaks a thesis down into its reasoning and makes visible what it really rests on.	When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first.
Complexitydifferent	Low	Medium	Medium	Medium
Timedifferent	45-90 min	2–4 h review as a planning range; preparation and evaluation additional	1-3 h	45-60 min
Participantsdifferent	2-8	Designers, developers as users, and facilitation	1-8	2-8
Formatsame	Workshop + async	Workshop + async	Workshop + async	Workshop + async
Outputdifferent	Assumption List, Critical Assumptions, Learning Plan	Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions	Argument Map, Evidence Gaps, Decision Rationale	Assumption map, Test backlog, Risk ranking
Tagsno overlap	AssumptionsRiskDecisionDiscovery	ArchitectureEngineeringFeedbackValidationTasks	SensemakingDecisionRationale	AssumptionsRiskExperimentsValidation

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