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| Criterion |  Operations 5 Whys |  Operations After-Action Review |
|---|---|---|
Purposedifferent | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | 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. |
Complexitysame | Low | Low |
Timedifferent | 15-30 min | 20-45 min |
Participantsdifferent | 2-6 | 3-12 |
Formatdifferent | Workshop | Workshop + async |
Outputdifferent | Root cause notes, Countermeasures | Lessons learned, Action items, Event summary |
Tagsno overlap | Root causeIncidentLeanProblem solving | LearningOperationsImprovement |
Often compared together
Methods with strong topical overlap with the current selection, not yet in the comparison.
