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Selected:ATAM (Architecture Tradeoff Analysis Method)Learning CardRiskiest Assumption TestAssumption Mapping
| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Product Discovery Learning Card |  Product Discovery Riskiest Assumption Test |  Product Discovery Assumption Mapping |
|---|---|---|---|---|
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 an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | High | Low | Medium | Medium |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 25-40 min | 1-2 Wochen pro Iteration | 45-60 min |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 1-5 | 2-6 | 2-8 |
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 | Prioritized Assumption List, Test Plan, Results Report | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | ExperimentsValidationDiscoveryLearning | ExperimentsValidationDiscoveryAssumptions | AssumptionsRiskExperimentsValidation |