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Selected:LASR (Lightweight Approach for Software Reviews)Stock and Flow DiagramSystem Dynamics SimulationATAM (Architecture Tradeoff Analysis Method)
| Criterion |  Architecture LASR (Lightweight Approach for Software Reviews) |  Systems Thinking Stock and Flow Diagram |  Systems Thinking System Dynamics Simulation |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
Purposedifferent | 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. | A Stock and Flow Diagram shows how stocks, inflows, and outflows shape a system over time. It is especially suited when growth, delays, or capacity limits determine the dynamics. | System Dynamics Simulation makes assumptions about time, delay, and feedback testable through experiments. It draws relationships, patterns, and feedback loops. The result is captured as a simulation model and scenario reports. | 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. |
Complexitydifferent | Medium | High | High | High |
Timedifferent | 3–4 h for initial assessment; preparation and deeper analysis additional | 2-6 h | Mehrere Tage bis Wochen | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 1 or a small team; particularly suitable for 3–4 people | 1-6 | 1-5 Modellierende, Stakeholder asynchron | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | 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 | Stock and Flow Model, Dynamics Notes, Simulation Hypotheses | Simulation Model, Scenario Reports | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations |
Tagsno overlap | ArchitectureQualityRiskAssessmentLean | DynamicsSimulationFeedbackSystems thinking | Systems thinkingDynamicsSimulationAnalysis | ArchitectureQualityRiskTradeoffsStakeholders |