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| Criterion |  Decision Making Decision Matrix |  Facilitation Stakeholder Salience Model |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Decision Making DACI |
|---|---|---|---|---|
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. | When stakeholders appear to matter very differently, the Stakeholder Salience Model rates their actual priority through power, legitimacy, and urgency. It turns individual contributions into a visible selection. The result is captured as a Salience diagram and a class-based strategy. | 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 cross-functional decisions, responsibilities quickly blur between approval, influence, and execution. DACI arranges these roles so decision pressure, contribution, and information stay cleanly separated. |
Complexitydifferent | Medium | Medium | High | Low |
Timedifferent | 45-90 min | 60-90 min | Several meetings plus preparation and analysis; total effort depends on scope | 30-60 min |
Participantsdifferent | 2-8 | 3-6 | Evaluation team, architects, and relevant stakeholders | 2-10 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Decision Matrix, Scoring Rationale, Selected Option | Salience Diagram, Strategy per Class | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | DACI Matrix, Decision Owner, Decision Log |
Tagsno overlap | DecisionCriteriaScoringTradeoffs | StakeholdersFacilitationAlignmentGovernance | ArchitectureQualityRiskTradeoffsStakeholders | DecisionRolesGovernanceAlignment |