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| Criterion |  Operations After-Action Review |  Operations Gemba Walk |  Knowledge Modeling Domain Storytelling |
|---|---|---|---|
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. | 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. | Domain Storytelling translates domain knowledge into a shared narrative of actors, objects, and workflows. It is especially useful when language, rules, and process understanding must be tightly connected. |
Complexitysame | Low | Low | Low |
Timedifferent | 20-45 min | 30-120 min | 1-2 h |
Participantsdifferent | 3-12 | 2-6 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Lessons learned, Action items, Event summary | Observation Notes, Improvement Ideas | Domain Story, Glossary Notes, Process Narrative |
Tagsno overlap | LearningOperationsImprovement | LeanObservationProcessOperations | KnowledgeDomain-Driven DesignProcess |
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