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| Criterion |  Decision Making Risk Matrix |  Decision Making Trade-off Analysis |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|
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. | With limited resources, quality, speed, cost, and risk almost always compete with each other. Trade-off Analysis makes these tensions explicit and prevents decisions from producing hidden side effects. | 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 | Low | Medium | High |
Timedifferent | 30-60 min | 45-120 min | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 3-10 | 2-8 | Evaluation team, architects, and relevant stakeholders |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Risk Matrix, Top Risk List | Trade-off Matrix, Criteria List, Decision Rationale, Accepted Downsides | 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 | RiskDecisionPrioritizationAssessment | TradeoffsDecisionCriteriaOptions | ArchitectureQualityRiskTradeoffsStakeholders |
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