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| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Decision Making RAPID |  Decision Making Decision Rights Mapping |
|---|---|---|---|
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. | In complex management decisions, clarity is often missing about who recommends, who agrees, and who makes the decision. RAPID creates this assignment and stabilizes decisions across several levels. | In organizations with many stakeholders, it often blurs who actually decides and who is merely consulted. It separates options, evaluation criteria, and open risks. The result is captured as a Decision Rights matrix and an agreement. |
Complexitydifferent | High | Medium | Medium |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 45-90 min | 90-180 min |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 3-12 | 4-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | RAPID Role Map, Recommendation, Decision Log | Decision Rights Matrix, Agreement |
Tagsno overlap | ArchitectureQualityRiskTradeoffsStakeholders | DecisionRolesGovernance | DecisionGovernanceAlignmentResponsibility |
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