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| Criterion |  Operations ABC Analysis |  Facilitation Nominal Group Technique |  Operations Gemba Walk |  Facilitation Dot Voting |
|---|---|---|---|---|
Purposedifferent | 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 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. | When there is uncertainty about the real course of a process, the method brings observation to the place where work happens. It combines perception, follow-up questions, and process knowledge so decisions rest on actual workflows instead of assumptions. | 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. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 30-60 min | 60-120 min | 30-120 min | 5-15 min |
Participantsdifferent | 1-5 | 5-12 | 2-6 | 3-20 |
Formatdifferent | Async | Workshop | Workshop | Workshop |
Outputdifferent | ABC Classification, Focus Rules, Control List | Ranked Ideas, Clarified Options, Group Priority | Observation Notes, Improvement Ideas | Ranked list, Consensus signal, Shortlist |
Tagsno overlap | PrioritizationOperationsPortfolio | FacilitationPrioritizationVotingInclusion | LeanObservationProcessOperations | FacilitationVotingConsensusPrioritization |