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| Criterion |  Operations A3 Problem Solving |  Facilitation Troika Consulting |  Operations Gemba Walk |  Operations After-Action Review |
|---|---|---|---|---|
Purposedifferent | 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 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. | 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. | 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 | Medium | Low | Low | Low |
Timedifferent | 45-90 min | 30-45 min | 30-120 min | 20-45 min |
Participantsdifferent | 2-5 | 3-30 | 2-6 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Advice Notes, Next Actions, Peer Insights | Observation Notes, Improvement Ideas | Lessons learned, Action items, Event summary |
Tagsno overlap | LeanProblem solvingCoachingOperations | FacilitationCoachingLearning | LeanObservationProcessOperations | LearningOperationsImprovement |