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| Criterion |  Operations 8D Problem Solving |  Facilitation World Café |  Operations A3 Problem Solving |  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 group needs to connect many viewpoints in a short time, World Café creates a calm alternation between closeness and rotation. It sets thinking in motion without forcing the conversation into full-plenary rigidity. | 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 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 | Medium |
Timedifferent | 1-6 Wochen | 60-180 min | 45-90 min | 45-90 min |
Participantsdifferent | 4-10 | 12-100+ | 2-5 | 8-80 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop |
Outputdifferent | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Table Notes, Emergent Themes, Shared Questions | A3 Report, Action Plan, Root Cause Analysis | Discussion Insights, Observed Tensions, Follow-up Questions |
Tagsno overlap | QualityProblem solvingRoot cause | FacilitationDialogueLarge groupSensemaking | LeanProblem solvingCoachingOperations | FacilitationDialogueLarge group |