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| Criterion |  Operations 8D Problem Solving |  Decision Making Pareto Analysis |  Facilitation Nominal Group Technique |
|---|---|---|---|
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. | 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. | When loud voices could dominate a round, Nominal Group Technique protects individual thinking time from group effects. It collects ideas separately first and only then enables shared weighting. |
Complexitydifferent | High | Low | Medium |
Timedifferent | 1-6 Wochen | 30-60 min | 60-120 min |
Participantsdifferent | 4-10 | 1-6 | 5-12 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Pareto Chart, Top Causes, Focus List | Ranked Ideas, Clarified Options, Group Priority |
Tagsno overlap | QualityProblem solvingRoot cause | PrioritizationQualityFocusRoot cause | FacilitationPrioritizationVotingInclusion |
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