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Selected:Delphi MethodDecision MatrixArchitecture Communication CanvasATAM (Architecture Tradeoff Analysis Method)
| Criterion |  Decision Making Delphi Method |  Decision Making Decision Matrix |  Architecture Architecture Communication Canvas |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
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 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. | The Architecture Communication Canvas plans architecture communication so the right people receive the right message. The method turns technical complexity into deliberate communication design. | 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. |
Complexitydifferent | High | Medium | Medium | High |
Timedifferent | 1-4 Wochen | 45-90 min | 60-120 min | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 6-30 Experten | 2-8 | 2-8 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Decision Matrix, Scoring Rationale, Selected Option | Communication Canvas, Stakeholder Messages, Architecture Communication Plan | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations |
Tagsno overlap | ForecastingExpertsDecisionStrategy | DecisionCriteriaScoringTradeoffs | ArchitectureCommunicationStakeholdersCanvas | ArchitectureQualityRiskTradeoffsStakeholders |