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| Criterion |  Operations A3 Problem Solving |  Agile Affinity Estimation |  Operations After-Action Review |  Agile Bucket System |
|---|---|---|---|---|
Purposedifferent | 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. | When many tasks need to be classified quickly, it sorts them by perceived effort and similarity. It reduces the effort of fine-grained estimation for large volumes. | 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 a large batch of work needs a fast, rough estimate, it sorts items into predefined size buckets. It sorts work by value, risk, and delivery ability. The result is captured as a Bucketed Backlog, Relative Estimates, and Split Candidates. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 45-90 min | 30-90 min | 20-45 min | 30-90 min |
Participantsdifferent | 2-5 | 3-12 | 3-12 | 3-12 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Affinity Size Map, Grouped Estimates, Unclear Items | Lessons learned, Action items, Event summary | Bucketed Backlog, Relative Estimates, Split Candidates |
Tagsno overlap | LeanProblem solvingCoachingOperations | EstimationBacklogRelative sizing | LearningOperationsImprovement | EstimationBacklogRelative sizing |