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| Criterion |  Decision Making Delphi Method |  Systems Thinking Causal Loop Diagram |  Operations 8D Problem Solving |
|---|---|---|---|
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. | A Causal Loop Diagram makes feedback, reinforcement, and balance in a system legible. It uncovers side effects and self-reinforcement that stay hidden in linear explanations. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. |
Complexitydifferent | High | Medium | High |
Timedifferent | 1-4 Wochen | 1-3 h | 1-6 Wochen |
Participantsdifferent | 6-30 Experten | 2-8 | 4-10 |
Formatdifferent | Async | Workshop | Workshop + async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Causal Loop Diagram, Feedback Notes, Leverage Points | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | ForecastingExpertsDecisionStrategy | FeedbackSystems thinkingCausalityDynamics | QualityProblem solvingRoot cause |
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