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| Criterion |  Decision Making Delphi Method |  Decision Making OODA Loop |  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. | In dynamic situations, decisions become outdated faster than they can be prepared. The OODA Loop holds observing, orienting, deciding, and acting together as a recurring rhythm so reaction does not slide into inertia. | 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 | High |
Timedifferent | 1-4 Wochen | 15-60 min je Zyklus | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | 6-30 Experten | 1-8 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Async | Workshop + async | Workshop + async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Situation Assessment, Decision Loop, Action Updates | 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 | DecisionChangeLearningStrategy | ArchitectureQualityRiskTradeoffsStakeholders |
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