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| Criterion |  Operations After-Action Review |  Innovation Double Diamond |  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. | For complex problems with a fuzzy situation, the method cleanly separates search space and decision. It first creates breadth in understanding and then focus in elaboration. This brings open questions, problem definition, and solution path into a traceable movement. | 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 | Wochen bis Monate | 45-90 min |
Participantsdifferent | 3-12 | 3-12 | 2-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Lessons learned, Action items, Event summary | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | LearningOperationsImprovement | ProcessDivergenceInnovation | LeanProblem solvingCoachingOperations |
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