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| Criterion |  Facilitation Nominal Group Technique |  Operations Root Cause Analysis |  Decision Making Pareto Analysis |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | 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 a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | In many problem situations, effect is distributed unequally across many causes. A Pareto Analysis separates the few drivers with high leverage from the long remainder and focuses attention on what measurably moves the needle. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. |
Complexitydifferent | Medium | Medium | Low | High |
Timedifferent | 60-120 min | 1-4 h | 30-60 min | 1-6 Wochen |
Participantsdifferent | 5-12 | 3-8 | 1-6 | 4-10 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Ranked Ideas, Clarified Options, Group Priority | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Pareto Chart, Top Causes, Focus List | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | FacilitationPrioritizationVotingInclusion | Root causeProblem solvingQualityIncident | PrioritizationQualityFocusRoot cause | QualityProblem solvingRoot cause |