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| Criterion |  Operations Scatter Diagram |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations Change Analysis |
|---|---|---|---|
Purposedifferent | When the question is whether two measures are related, the method makes patterns in the data picture visible. It separates felt correlations from relationships that actually show up in the data. | 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. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. |
Complexitydifferent | Low | High | Medium |
Timedifferent | 30-90 min | Several meetings plus preparation and analysis; total effort depends on scope | 45-120 min |
Participantsdifferent | 1-4 | Evaluation team, architects, and relevant stakeholders | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Scatter Plot, Korrelationsnotiz, Hypothesenliste | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Change Matrix, Cause Hypotheses, Validation Questions, Action List |
Tagsno overlap | Root causeQualityVisualization | ArchitectureQualityRiskTradeoffsStakeholders | ChangeRoot causeTroubleshootingComparison |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
