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Selected:Decision MatrixATAM (Architecture Tradeoff Analysis Method)Argument MappingTrade-off Analysis
| Criterion |  Decision Making Decision Matrix |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Decision Making Argument Mapping |  Decision Making Trade-off Analysis |
|---|---|---|---|---|
Purposedifferent | When several options collide with several criteria, comparison quickly becomes subjective. A Decision Matrix makes the trade-off visible and brings weighting, criteria, and options into a shared logic. | 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 statements, evidence, and counterarguments get mixed up, a debate quickly loses its structure. Argument Mapping breaks a thesis down into its reasoning and makes visible what it really rests on. | 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 | Medium | High | Medium | Medium |
Timedifferent | 45-90 min | Several meetings plus preparation and analysis; total effort depends on scope | 1-3 h | 45-120 min |
Participantsdifferent | 2-8 | Evaluation team, architects, and relevant stakeholders | 1-8 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Decision Matrix, Scoring Rationale, Selected Option | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Argument Map, Evidence Gaps, Decision Rationale | Trade-off Matrix, Criteria List, Decision Rationale, Accepted Downsides |
Tagsno overlap | DecisionCriteriaScoringTradeoffs | ArchitectureQualityRiskTradeoffsStakeholders | SensemakingDecisionRationale | TradeoffsDecisionCriteriaOptions |