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| Criterion |  Decision Making Delphi Method |  Operations Kepner-Tregoe |  Product Strategy DIBB |  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. | 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. | DIBB helps clarify target groups, value, goals, and priorities by making the logic behind a decision explicit. It captures results as a DIBB document, belief list, bet list, and learning report. | 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 | Low | Medium |
Timedifferent | 1-4 Wochen | 2-8 h | 1-2 h | 45-90 min |
Participantsdifferent | 6-30 Experten | 2-8 | 2-8 | 2-5 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Problem Analysis, Decision Analysis, Risk Plan | DIBB document, Belief list, Bet list, Learning report | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | ForecastingExpertsDecisionStrategy | Problem solvingRoot causeDecisionOperations | StrategyDecisionAssumptionsHypothesis | LeanProblem solvingCoachingOperations |