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| Criterion |  Operations A3 Problem Solving |  Facilitation Nominal Group Technique |  Operations Kepner-Tregoe |
|---|---|---|---|
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. | 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. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. |
Complexitydifferent | Medium | Medium | High |
Timedifferent | 45-90 min | 60-120 min | 2-8 h |
Participantsdifferent | 2-5 | 5-12 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Ranked Ideas, Clarified Options, Group Priority | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | LeanProblem solvingCoachingOperations | FacilitationPrioritizationVotingInclusion | Problem solvingRoot causeDecisionOperations |
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