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| Criterion |  Decision Making Argument Mapping |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Decision Making Decision Matrix |  Decision Making Red Teaming |
|---|---|---|---|---|
Purposedifferent | 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. | 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 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. | For strategic decisions with high reach, agreement and gut feeling are often not enough. Red teaming brings deliberate opposition into the situation and tests where a plan breaks under real counterarguments. |
Complexitydifferent | Medium | High | Medium | High |
Timedifferent | 1-3 h | Several meetings plus preparation and analysis; total effort depends on scope | 45-90 min | 1-4 h |
Participantsdifferent | 1-8 | Evaluation team, architects, and relevant stakeholders | 2-8 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Argument Map, Evidence Gaps, Decision Rationale | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Decision Matrix, Scoring Rationale, Selected Option | Challenge Findings, Risk Register, Mitigation Plan |
Tagsno overlap | SensemakingDecisionRationale | ArchitectureQualityRiskTradeoffsStakeholders | DecisionCriteriaScoringTradeoffs | RiskDecisionSensemaking |