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| Criterion |  Facilitation Dot Estimation |  Operations A3 Problem Solving |  Facilitation 3-Circle Venn 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 complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | 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. |
Complexitydifferent | Low | Medium | Low |
Timedifferent | 5-20 min | 45-90 min | 15-45 min |
Participantsdifferent | 3-20 | 2-5 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Effort Heatmap, Risk Signals, Discussion Targets | A3 Report, Action Plan, Root Cause Analysis | Venn Diagram, Overlap Notes, Differentiators |
Tagsno overlap | EstimationEffortRisk | LeanProblem solvingCoachingOperations | ComparisonFacilitationAlignment |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
