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| Criterion |  Agile Affinity Estimation |  Operations After-Action Review |  Operations 8D Problem Solving |  Operations Fishbone Diagram |
|---|---|---|---|---|
Purposedifferent | 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. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. |
Complexitydifferent | Medium | Low | High | Low |
Timedifferent | 30-90 min | 20-45 min | 1-6 Wochen | 30-60 min |
Participantsdifferent | 3-12 | 3-12 | 4-10 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Affinity Size Map, Grouped Estimates, Unclear Items | Lessons learned, Action items, Event summary | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | EstimationBacklogRelative sizing | LearningOperationsImprovement | QualityProblem solvingRoot cause | Root causeQualityOperations |