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| Criterion |  Decision Making Delphi Method |  Operations Kepner-Tregoe |  Decision Making OODA Loop |  Operations 5 Whys |
|---|---|---|---|---|
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. | In dynamic situations, decisions become outdated faster than they can be prepared.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. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | High | High | Medium | Low |
Timedifferent | 1-4 Wochen | 2-8 h | 15-60 min je Zyklus | 15-30 min |
Participantsdifferent | 6-30 Experten | 2-8 | 1-8 | 2-6 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Problem Analysis, Decision Analysis, Risk Plan | Situation Assessment, Decision Loop, Action Updates | Root cause notes, Countermeasures |
Tagsno overlap | ForecastingExpertsDecisionStrategy | Problem solvingRoot causeDecisionOperations | DecisionChangeLearningStrategy | Root causeIncidentLeanProblem solving |