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Selected:ATAM (Architecture Tradeoff Analysis Method)Evaporating CloudA/B TestingLASR (Lightweight Approach for Software Reviews)
| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Systems Thinking Evaporating Cloud |  Growth A/B Testing |  Architecture LASR (Lightweight Approach for Software Reviews) |
|---|---|---|---|---|
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 method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. | 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. | LASR helps development teams identify where their software falls short of important quality goals and which improvements to consider. A small group with existing system knowledge can make an initial assessment and investigate open questions in more detail. |
Complexitydifferent | High | Medium | High | Medium |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 60-120 min | 1-4 Wochen | 3–4 h for initial assessment; preparation and deeper analysis additional |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 2-8 | 1-6 | 1 or a small team; particularly suitable for 3–4 people |
Formatdifferent | 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 | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments | Experiment results, Decision log, Learning summary | Lean Mission Statement describing the software’s purpose, Prioritized quality goals and evaluation criteria, Risks and estimated gaps against quality goals, More closely examined findings and open checks |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | Theory of ConstraintsAssumptionsSystems thinking | ExperimentsGrowthAnalyticsValidation | ArchitectureQualityRiskAssessmentLean |