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| Criterion |  Facilitation Dot Voting |  Operations 5 Whys |  Operations A3 Problem Solving |  Facilitation Nominal Group Technique |
|---|---|---|---|---|
Purposedifferent | 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. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | 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 | Low | Medium | Medium |
Timedifferent | 5-15 min | 15-30 min | 45-90 min | 60-120 min |
Participantsdifferent | 3-20 | 2-6 | 2-5 | 5-12 |
Formatdifferent | Workshop | Workshop | Workshop + async | Workshop |
Outputdifferent | Ranked list, Consensus signal, Shortlist | Root cause notes, Countermeasures | A3 Report, Action Plan, Root Cause Analysis | Ranked Ideas, Clarified Options, Group Priority |
Tagsno overlap | FacilitationVotingConsensusPrioritization | Root causeIncidentLeanProblem solving | LeanProblem solvingCoachingOperations | FacilitationPrioritizationVotingInclusion |