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| Criterion |  Operations 8D Problem Solving |  Operations Fishbone Diagram |  Decision Making Pareto Analysis |
|---|---|---|---|
Purposedifferent | 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. | In many problem situations, effect is distributed unequally across many causes. A Pareto Analysis separates the few drivers with high leverage from the long remainder and focuses attention on what measurably moves the needle. |
Complexitydifferent | High | Low | Low |
Timedifferent | 1-6 Wochen | 30-60 min | 30-60 min |
Participantsdifferent | 4-10 | 2-8 | 1-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Fishbone Diagram, Cause Categories, Investigation Backlog | Pareto Chart, Top Causes, Focus List |
Tags2 shared | QualityProblem solvingRoot cause | Root causeQualityOperations | PrioritizationQualityFocusRoot cause |
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