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| Criterion |  Operations Failure Mode and Effects Analysis |  Facilitation Dot Estimation |  Operations Fault Tree Analysis |
|---|---|---|---|
Purposedifferent | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | 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. |
Complexitydifferent | High | Low | High |
Timedifferent | 2-6 h | 5-20 min | 2-6 h |
Participantsdifferent | 3-10 | 3-20 | 3-8 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | FMEA Table, Risk Priority, Mitigation Actions | Effort Heatmap, Risk Signals, Discussion Targets | Fault Tree, Critical Paths, Cause Hypotheses, Control Actions |
Tags1 shared | RiskQualityOperationsRoot cause | EstimationEffortRisk | RiskRoot causeSafety |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
