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| Criterion |  Decision Making Delphi Method |  Systems Thinking Current Reality Tree |  Operations A3 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 Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. |
Complexitydifferent | High | High | Medium |
Timedifferent | 1-4 Wochen | 2-6 h | 45-90 min |
Participantsdifferent | 6-30 Experten | 3-8 | 2-5 |
Formatdifferent | Async | Workshop | Workshop + async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Current Reality Tree, Core Problems, Intervention Ideas | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | ForecastingExpertsDecisionStrategy | Systems thinkingRoot causeConstraintsCausality | LeanProblem solvingCoachingOperations |
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