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| Criterion |  Operations Fault Tree Analysis |  Agile Bucket System |  Facilitation Dot Estimation |
|---|---|---|---|
Purposedifferent | 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 large batch of work needs a fast, rough estimate, it sorts items into predefined size buckets. It sorts work by value, risk, and delivery ability. The result is captured as a Bucketed Backlog, Relative Estimates, and Split Candidates. | 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. |
Complexitydifferent | High | Medium | Low |
Timedifferent | 2-6 h | 30-90 min | 5-20 min |
Participantsdifferent | 3-8 | 3-12 | 3-20 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions | Bucketed Backlog, Relative Estimates, Split Candidates | Effort Heatmap, Risk Signals, Discussion Targets |
Tagsno overlap | RiskRoot causeSafety | EstimationBacklogRelative sizing | EstimationEffortRisk |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
