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| Criterion |  Operations After-Action Review |  Operations 8D Problem Solving |  Operations Process Mapping |  Operations Kepner-Tregoe |
|---|---|---|---|---|
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. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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. |
Complexitydifferent | Low | High | Medium | High |
Timedifferent | 20-45 min | 1-6 Wochen | 1-3 h | 2-8 h |
Participantsdifferent | 3-12 | 4-10 | 3-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Lessons learned, Action items, Event summary | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Process Map, Handoff List, Improvement Backlog | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | LearningOperationsImprovement | QualityProblem solvingRoot cause | ProcessOperationsImprovement | Problem solvingRoot causeDecisionOperations |