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| Criterion |  Operations After-Action Review |  Operations Process Mapping |  Operations Fishbone Diagram |  Operations 8D Problem Solving |
|---|---|---|---|---|
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. | 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. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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. |
Complexitydifferent | Low | Medium | Low | High |
Timedifferent | 20-45 min | 1-3 h | 30-60 min | 1-6 Wochen |
Participantsdifferent | 3-12 | 3-10 | 2-8 | 4-10 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Lessons learned, Action items, Event summary | Process Map, Handoff List, Improvement Backlog | Fishbone Diagram, Cause Categories, Investigation Backlog | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | LearningOperationsImprovement | ProcessOperationsImprovement | Root causeQualityOperations | QualityProblem solvingRoot cause |