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| Criterion |  Operations After-Action Review |  Facilitation Troika Consulting |  Operations A3 Problem Solving |  Operations Gemba Walk |
|---|---|---|---|---|
Purposedifferent | 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. | When someone needs to sort out a concrete work problem, Troika Consulting offers fast peer consulting with a tight focus. The method brings perspectives together without taking responsibility out of the person's hands. | 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. | 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. |
Complexitydifferent | Low | Low | Medium | Low |
Timedifferent | 20-45 min | 30-45 min | 45-90 min | 30-120 min |
Participantsdifferent | 3-12 | 3-30 | 2-5 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | Lessons learned, Action items, Event summary | Advice Notes, Next Actions, Peer Insights | A3 Report, Action Plan, Root Cause Analysis | Observation Notes, Improvement Ideas |
Tagsno overlap | LearningOperationsImprovement | FacilitationCoachingLearning | LeanProblem solvingCoachingOperations | LeanObservationProcessOperations |