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| Criterion |  Operations After-Action Review |  Operations Getting Things Done |  Operations A3 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 many open commitments and ideas in daily life, a reliable external storage system emerges. The method relieves the mind so priority and context don't have to compete in memory. | 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. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 20-45 min | 1-2 h Setup, laufend | 45-90 min |
Participantsdifferent | 3-12 | 1 | 2-5 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Lessons learned, Action items, Event summary | Action Lists, Project List, Review Routine | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | LearningOperationsImprovement | ProductivityPlanningTasksExecution | LeanProblem solvingCoachingOperations |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
