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| Criterion |  Operations PDCA Cycle |  Operations 8D Problem Solving |  Agile Affinity Estimation |
|---|---|---|---|
Purposedifferent | For an improvement that still has to prove itself in everyday work, the method runs it through small learning loops. It connects planning, checking, and standardization into a repeatable learning mode. | 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 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. |
Complexitydifferent | Low | High | Medium |
Timedifferent | 1 h bis mehrere Wochen | 1-6 Wochen | 30-90 min |
Participantsdifferent | 1-8 | 4-10 | 3-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | PDCA Log, Experiment Plan, Learning Outcome, Standard Change | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Affinity Size Map, Grouped Estimates, Unclear Items |
Tagsno overlap | Continuous improvementLeanExperiments | QualityProblem solvingRoot cause | EstimationBacklogRelative sizing |
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