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| Criterion |  Operations ABC Analysis |  Operations Change Analysis |  Facilitation Nominal Group Technique |  Facilitation 1-2-4-All |
|---|---|---|---|---|
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. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | 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 many people in a group too rarely get to speak, 1-2-4-All distributes thinking time more fairly. The format builds participation step by step and makes quiet or still-unformed thoughts usable faster. |
Complexitydifferent | Low | Medium | Medium | Low |
Timedifferent | 30-60 min | 45-120 min | 60-120 min | 10-20 min |
Participantsdifferent | 1-5 | 2-6 | 5-12 | 4-100+ |
Formatdifferent | Async | Workshop + async | Workshop | Workshop |
Outputdifferent | ABC Classification, Focus Rules, Control List | Change Matrix, Cause Hypotheses, Validation Questions, Action List | Ranked Ideas, Clarified Options, Group Priority | Idea List, Shared Insights, Emergent Themes |
Tagsno overlap | PrioritizationOperationsPortfolio | ChangeRoot causeTroubleshootingComparison | FacilitationPrioritizationVotingInclusion | FacilitationInclusionIdeation |