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| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Product Discovery MVP Test Matrix |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|
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. | When several minimal variants compete to answer the same question, it makes comparing and choosing between them cleaner. It separates problem, assumption, solution, and evidence. The result is captured as a Test Matrix and a Test Plan. | 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. |
Complexitydifferent | High | Medium | Medium |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 45-75 min | 1-2 Wochen pro Iteration |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 2-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop | 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 | Test Matrix, Test Plan | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | ExperimentsValidationDiscoveryOptions | ExperimentsValidationDiscoveryAssumptions |
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