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| Criterion |  Decision Making Decision Tree |  Decision Making Delphi Method |  Operations A3 Problem Solving |  Operations Kepner-Tregoe |
|---|---|---|---|---|
Purposedifferent | For decisions with follow-on paths and dependencies, a linear comparison is often not enough. A Decision Tree shows how options branch under conditions and which consequences hang on each branch. | 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. | 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. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | Medium | High | Medium | High |
Timedifferent | 30-90 min | 1-4 Wochen | 45-90 min | 2-8 h |
Participantsdifferent | 1-6 | 6-30 Experten | 2-5 | 2-8 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop + async |
Outputdifferent | Decision Tree, Option Map, Assumption List | Expert Forecast, Consensus Range, Assumption Notes | A3 Report, Action Plan, Root Cause Analysis | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | DecisionTreeOptions | ForecastingExpertsDecisionStrategy | LeanProblem solvingCoachingOperations | Problem solvingRoot causeDecisionOperations |