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| Criterion |  Facilitation Dot Estimation |  Facilitation 3-Circle Venn Diagram |  Operations Change Analysis |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
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. | When three perspectives matter at the same time, a Three-Circle Venn Diagram shows the overlaps and remainders precisely. It makes visible where shared effect arises and where only a partial perspective applies. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. | 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. |
Complexitydifferent | Low | Low | Medium | High |
Timedifferent | 5-20 min | 15-45 min | 45-120 min | 2-6 h |
Participantsdifferent | 3-20 | 2-8 | 2-6 | 3-10 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Effort Heatmap, Risk Signals, Discussion Targets | Venn Diagram, Overlap Notes, Differentiators | Change Matrix, Cause Hypotheses, Validation Questions, Action List | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | EstimationEffortRisk | ComparisonFacilitationAlignment | ChangeRoot causeTroubleshootingComparison | RiskQualityOperationsRoot cause |