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| Criterion |  Facilitation Dot Estimation |  Operations Fishbone Diagram |  Product Discovery Assumption Mapping |
|---|---|---|---|
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 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 assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 5-20 min | 30-60 min | 45-60 min |
Participantsdifferent | 3-20 | 2-8 | 2-8 |
Formatdifferent | Workshop | Workshop | Workshop + async |
Outputdifferent | Effort Heatmap, Risk Signals, Discussion Targets | Fishbone Diagram, Cause Categories, Investigation Backlog | Assumption map, Test backlog, Risk ranking |
Tagsno overlap | EstimationEffortRisk | Root causeQualityOperations | AssumptionsRiskExperimentsValidation |
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