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| Criterion |  Operations Fishbone Diagram |  Facilitation Nominal Group Technique |
|---|---|---|
Purposedifferent | 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. | 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 | Low | Medium |
Timedifferent | 30-60 min | 60-120 min |
Participantsdifferent | 2-8 | 5-12 |
Formatsame | Workshop | Workshop |
Outputdifferent | Fishbone Diagram, Cause Categories, Investigation Backlog | Ranked Ideas, Clarified Options, Group Priority |
Tagsno overlap | Root causeQualityOperations | FacilitationPrioritizationVotingInclusion |
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