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| Criterion |  Decision Making Delphi Method |  Facilitation Stakeholder Salience Model |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Decision Making DACI |
|---|---|---|---|---|
Purposedifferent | When knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | 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 | High | Medium | High | Low |
Timedifferent | 1-4 Wochen | 60-90 min | Several meetings plus preparation and analysis; total effort depends on scope | 30-60 min |
Participantsdifferent | 6-30 Experten | 3-6 | Evaluation team, architects, and relevant stakeholders | 2-10 |
Formatdifferent | Async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | 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 | ForecastingExpertsDecisionStrategy | StakeholdersFacilitationAlignmentGovernance | ArchitectureQualityRiskTradeoffsStakeholders | DecisionRolesGovernanceAlignment |