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| Criterion |  Operations A3 Problem Solving |  Operations ABC Analysis |  Facilitation Dot Voting |  Facilitation Nominal Group Technique |
|---|---|---|---|---|
Purposedifferent | 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. | With many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | 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. | 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 | 45-90 min | 30-60 min | 5-15 min | 60-120 min |
Participantsdifferent | 2-5 | 1-5 | 3-20 | 5-12 |
Formatdifferent | Workshop + async | Async | Workshop | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | ABC Classification, Focus Rules, Control List | Ranked list, Consensus signal, Shortlist | Ranked Ideas, Clarified Options, Group Priority |
Tagsno overlap | LeanProblem solvingCoachingOperations | PrioritizationOperationsPortfolio | FacilitationVotingConsensusPrioritization | FacilitationPrioritizationVotingInclusion |