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| Criterion |  Operations A3 Problem Solving |  Operations Process Mapping |  Operations Kepner-Tregoe |  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. | With a confusing workflow that has many handoffs, the method makes the actual process visible. It shows where work is passed on, delayed, or duplicated, so improvement targets the right spots. | 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. | 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 | Medium | High | Low |
Timedifferent | 45-90 min | 1-3 h | 2-8 h | 20-45 min |
Participantsdifferent | 2-5 | 3-10 | 2-8 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Process Map, Handoff List, Improvement Backlog | Problem Analysis, Decision Analysis, Risk Plan | Lessons learned, Action items, Event summary |
Tags1 shared | LeanProblem solvingCoachingOperations | ProcessOperationsImprovement | Problem solvingRoot causeDecisionOperations | LearningOperationsImprovement |