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

Criterion	Architecture ATAM (Architecture Tradeoff Analysis Method)	Product Discovery Learning Card	Product Discovery Assumption Mapping	Product Discovery Experiment Canvas
Purposedifferent	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.	When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first.	When experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric.
Complexitydifferent	High	Low	Medium	Low
Timedifferent	Several meetings plus preparation and analysis; total effort depends on scope	25-40 min	45-60 min	30-60 min
Participantsdifferent	Evaluation team, architects, and relevant stakeholders	1-5	2-8	1-5
Formatsame	Workshop + async	Workshop + async	Workshop + async	Workshop + async
Outputdifferent	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 map, Test backlog, Risk ranking	Completed Experiment Canvas, Success Metric
Tagsno overlap	ArchitectureQualityRiskTradeoffsStakeholders	ExperimentsValidationDiscoveryLearning	AssumptionsRiskExperimentsValidation	ExperimentsValidationDiscoveryHypothesis

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