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Selected:Assumption Mapping ATAM (Architecture Tradeoff Analysis Method)Learning Card Assumption Surfacing

Criterion	Product Discovery Assumption Mapping	Architecture ATAM (Architecture Tradeoff Analysis Method)	Product Discovery Learning Card	Decision Making Assumption Surfacing
Purposedifferent	When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first.	ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation.	The Learning Card connects traceable test results to a reasoned next action while keeping the limits of the insight visible.	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	High	Low	Low
Timedifferent	45-60 min	Several meetings plus preparation and analysis; total effort depends on scope	25-40 min	45-90 min
Participantsdifferent	2-8	Evaluation team, architects, and relevant stakeholders	1-5	2-8
Formatsame	Workshop + async	Workshop + async	Workshop + async	Workshop + async
Outputdifferent	Assumption map, Test backlog, Risk ranking	Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations	Learning Card with evidence and next action	Assumption List, Critical Assumptions, Learning Plan
Tagsno overlap	AssumptionsRiskExperimentsValidation	ArchitectureQualityRiskTradeoffsStakeholders	ExperimentsValidationDiscoveryLearning	AssumptionsRiskDecisionDiscovery

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