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Selected:ATAM (Architecture Tradeoff Analysis Method)Constraint AnalysisRisk MatrixTrade-off Analysis
| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Decision Making Constraint Analysis |  Decision Making Risk Matrix |  Decision Making Trade-off Analysis |
|---|---|---|---|---|
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. | When an initiative stalls, the limit often lies not in the idea but in hard or soft boundary conditions. Constraint Analysis separates these limits and shows which of them can actually be shaped. | 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. |
Complexitydifferent | High | Low | Low | Medium |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 30-90 min | 30-60 min | 45-120 min |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 2-8 | 3-10 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Risk Matrix, Top Risk List | Trade-off Matrix, Criteria List, Decision Rationale, Accepted Downsides |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | ConstraintsDecisionPlanningOptions | RiskDecisionPrioritizationAssessment | TradeoffsDecisionCriteriaOptions |