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| Criterion |  Operations Fishbone Diagram |  Facilitation Dot Estimation |  Agile Specification by Example |
|---|---|---|---|
Purposedifferent | 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. | 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 business rules need to become precise, it ties language, example, and test together. It sorts work by value, risk, and delivery ability. The result is captured as an Example Table and Acceptance Tests. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 30-60 min | 5-20 min | 60-90 min pro Feature |
Participantsdifferent | 2-8 | 3-20 | 3-6 |
Formatsame | Workshop | Workshop | Workshop |
Outputdifferent | Fishbone Diagram, Cause Categories, Investigation Backlog | Effort Heatmap, Risk Signals, Discussion Targets | Example Table, Acceptance Tests |
Tagsno overlap | Root causeQualityOperations | EstimationEffortRisk | AgileRequirementsExamplesBehavior-Driven Development |
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