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| Criterion |  Facilitation Dot Estimation |  Operations Fault Tree Analysis |  Operations Fishbone Diagram |
|---|---|---|---|
Purposedifferent | When size or effort can only be estimated roughly, Dot Estimation condenses the group's experience into a quick range. It turns individual contributions into a visible selection. The result is captured as an Effort Heatmap, Risk Signals, and Discussion Targets. | For a critical top event with several possible triggers, the method logically models failure paths. It makes visible which combinations of conditions can lead to damage. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. |
Complexitydifferent | Low | High | Low |
Timedifferent | 5-20 min | 2-6 h | 30-60 min |
Participantsdifferent | 3-20 | 3-8 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Effort Heatmap, Risk Signals, Discussion Targets | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Fishbone Diagram, Cause Categories, Investigation Backlog |
Tagsno overlap | EstimationEffortRisk | RiskRoot causeSafety | Root causeQualityOperations |
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