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| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Systems Thinking Behavior Over Time Graph |  Systems Thinking Causal Loop Diagram |
|---|---|---|---|
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 Behavior Over Time Graph shows how a metric or observation develops over time. The method makes trends, breaks, and recurring patterns visible that get lost in snapshots. | A Causal Loop Diagram makes feedback, reinforcement, and balance in a system legible. It uncovers side effects and self-reinforcement that stay hidden in linear explanations. |
Complexitydifferent | High | Low | Medium |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 20-45 min | 1-3 h |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 1-10 | 2-8 |
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 | Behavior Over Time Graph, Trend Hypotheses, Key Events | Causal Loop Diagram, Feedback Notes, Leverage Points |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | Systems thinkingPatternsDynamics | FeedbackSystems thinkingCausalityDynamics |
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