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| Criterion |  Operations Gemba Walk |  Decision Making Delphi Method |  Decision Making OODA Loop |  Operations After-Action Review |
|---|---|---|---|---|
Purposedifferent | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. | 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. | In dynamic situations, decisions become outdated faster than they can be prepared.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. | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. |
Complexitydifferent | Low | High | Medium | Low |
Timedifferent | 30-120 min | 1-4 Wochen | 15-60 min je Zyklus | 20-45 min |
Participantsdifferent | 2-6 | 6-30 Experten | 1-8 | 3-12 |
Formatdifferent | Workshop | Async | Workshop + async | Workshop + async |
Outputdifferent | Observation Notes, Improvement Ideas | Expert Forecast, Consensus Range, Assumption Notes | Situation Assessment, Decision Loop, Action Updates | Lessons learned, Action items, Event summary |
Tagsno overlap | LeanObservationProcessOperations | ForecastingExpertsDecisionStrategy | DecisionChangeLearningStrategy | LearningOperationsImprovement |