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| Criterion |  Growth A/B Testing |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Decision Making Pareto Analysis |
|---|---|---|---|
Purposedifferent | 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. | 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. | In many problem situations, effect is distributed unequally across many causes. A Pareto Analysis separates the few drivers with high leverage from the long remainder and focuses attention on what measurably moves the needle. |
Complexitydifferent | High | High | Low |
Timedifferent | 1-4 Wochen | Several meetings plus preparation and analysis; total effort depends on scope | 30-60 min |
Participantsdifferent | 1-6 | Evaluation team, architects, and relevant stakeholders | 1-6 |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | Experiment results, Decision log, Learning summary | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Pareto Chart, Top Causes, Focus List |
Tagsno overlap | ExperimentsGrowthAnalyticsValidation | ArchitectureQualityRiskTradeoffsStakeholders | PrioritizationQualityFocusRoot cause |
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