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Selected:Constraint AnalysisDecision TreeATAM (Architecture Tradeoff Analysis Method)Trade-off Analysis
| Criterion |  Decision Making Constraint Analysis |  Decision Making Decision Tree |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Decision Making Trade-off Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | For decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch. | 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 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 | Low | Medium | High | Medium |
Timedifferent | 30-90 min | 30-90 min | Several meetings plus preparation and analysis; total effort depends on scope | 45-120 min |
Participantsdifferent | 2-8 | 1-6 | Evaluation team, architects, and relevant stakeholders | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Constraint List, Hard/Soft Classification, Option Impact Notes, Decision Boundaries | Decision Tree, Option Map, Assumption List | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Trade-off Matrix, Criteria List, Decision Rationale, Accepted Downsides |
Tagsno overlap | ConstraintsDecisionPlanningOptions | DecisionTreeOptions | ArchitectureQualityRiskTradeoffsStakeholders | TradeoffsDecisionCriteriaOptions |