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Selected:ATAM (Architecture Tradeoff Analysis Method)Quality Attribute WorkshopA/B TestingRisk Storming
| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture Quality Attribute Workshop |  Growth A/B Testing |  Architecture Risk Storming |
|---|---|---|---|---|
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. | A Quality Attribute Workshop translates quality requirements into concrete scenarios and architecture impulses. The method brings product, engineering, and operations to the same view of desired properties. | When two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. |
Complexitydifferent | High | Medium | High | Low |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 2-4 h | 1-4 Wochen | 60-90 min |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 5-15 | 1-6 | 4-12 |
Formatdifferent | Workshop + async | Workshop | Async | Workshop |
Outputdifferent | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Quality Scenarios, Priority List, Architecture Concerns | Experiment results, Decision log, Learning summary | Annotated Diagram, Prioritized Risk List, Action Backlog |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | RequirementsArchitectureWorkshop | ExperimentsGrowthAnalyticsValidation | RiskArchitectureWorkshopValidation |