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| Criterion |  Operations 5 Whys |  Facilitation Consensus Workshop |  Facilitation Nominal Group Technique |
|---|---|---|---|
Purposedifferent | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | When a group needs a solid decision without outvoting individual factions, a Consensus Workshop creates a negotiable common ground. It makes agreement, reservations, and open tensions discussable at the same time. | 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 | Medium |
Timedifferent | 15-30 min | 1-3 h | 60-120 min |
Participantsdifferent | 2-6 | 5-30 | 5-12 |
Formatsame | Workshop | Workshop | Workshop |
Outputdifferent | Root cause notes, Countermeasures | Consensus Clusters, Theme Titles, Priority Areas | Ranked Ideas, Clarified Options, Group Priority |
Tagsno overlap | Root causeIncidentLeanProblem solving | FacilitationConsensusWorkshopAlignment | FacilitationPrioritizationVotingInclusion |
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