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| Criterion |  Operations Standard Work Analysis |  Facilitation Dot Voting |  Operations 5 Whys |  Facilitation Nominal Group Technique |
|---|---|---|---|---|
Purposedifferent | When the same task is done differently depending on the person, the method exposes the reliable core. It creates comparability without unnecessarily choking off needed latitude. | When a workshop has produced too many options and the group needs to condense quickly, dot voting makes preferences visible in a short time. It bundles individual votes into a solid signal for the next selection. | 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 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 | Medium | Low | Low | Medium |
Timedifferent | 1-3 h | 5-15 min | 15-30 min | 60-120 min |
Participantsdifferent | 2-6 | 3-20 | 2-6 | 5-12 |
Formatsame | Workshop | Workshop | Workshop | Workshop |
Outputdifferent | Standard Work Sheet, Deviation List, Improved Standard, Training Needs | Ranked list, Consensus signal, Shortlist | Root cause notes, Countermeasures | Ranked Ideas, Clarified Options, Group Priority |
Tagsno overlap | LeanProcessQuality | FacilitationVotingConsensusPrioritization | Root causeIncidentLeanProblem solving | FacilitationPrioritizationVotingInclusion |