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| Criterion |  Operations 8D Problem Solving |  Operations Root Cause Analysis |  Facilitation Fishbowl Discussion |
|---|---|---|---|
Purposedifferent | 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. | 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. | When a controversial topic needs depth and discipline at the same time, Fishbowl Discussion makes the structure of the conversation transparent. The format keeps the core small enough for real dialogue and open enough for controlled turnover. |
Complexitydifferent | High | Medium | Medium |
Timedifferent | 1-6 Wochen | 1-4 h | 45-90 min |
Participantsdifferent | 4-10 | 3-8 | 8-80 |
Formatdifferent | Workshop + async | Workshop + async | Workshop |
Outputdifferent | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Discussion Insights, Observed Tensions, Follow-up Questions |
Tagsno overlap | QualityProblem solvingRoot cause | Root causeProblem solvingQualityIncident | FacilitationDialogueLarge group |
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