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| Criterion |  Decision Making Risk Matrix |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations ABC Analysis |
|---|---|---|---|
Purposedifferent | When a project faces many possible disruptions, it quickly becomes unclear which risks deserve attention first. It separates options, evaluation criteria, and open risks. The result is captured as a Risk Matrix and a Top Risk List. | 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. | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. |
Complexitydifferent | Low | High | Low |
Timedifferent | 30-60 min | Several meetings plus preparation and analysis; total effort depends on scope | 30-60 min |
Participantsdifferent | 3-10 | Evaluation team, architects, and relevant stakeholders | 1-5 |
Formatdifferent | Workshop + async | Workshop + async | Async |
Outputdifferent | Risk Matrix, Top Risk List | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | ABC Classification, Focus Rules, Control List |
Tagsno overlap | RiskDecisionPrioritizationAssessment | ArchitectureQualityRiskTradeoffsStakeholders | PrioritizationOperationsPortfolio |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
