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| Criterion |  Facilitation Fishbowl Discussion |  Operations 5 Whys |  Operations Root Cause Tree Analysis |
|---|---|---|---|
Purposedifferent | 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. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 45-90 min | 15-30 min | 1-3 h |
Participantsdifferent | 8-80 | 2-6 | 2-8 |
Formatsame | Workshop | Workshop | Workshop |
Outputdifferent | Discussion Insights, Observed Tensions, Follow-up Questions | Root cause notes, Countermeasures | Cause Tree, Evidence Notes, Countermeasures |
Tagsno overlap | FacilitationDialogueLarge group | Root causeIncidentLeanProblem solving | Root causeTreeIncidentQuality |
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