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| Criterion |  Agile Affinity Estimation |  Decision Making PERT Estimation |  Product Discovery Opportunity Scoring |  Facilitation Dot Estimation |
|---|---|---|---|---|
Purposedifferent | When many tasks need to be classified quickly, it sorts them by perceived effort and similarity. It reduces the effort of fine-grained estimation for large volumes. | On complex initiatives, a plain average tends to understate just how uncertain the outcome really is. It separates options, evaluation criteria, and open risks. The result is captured as a PERT Estimate, Expected Value, and Risk Notes. | When opportunities need ranking by their effect, it makes importance and satisfaction directly comparable. It separates problem, assumption, solution, and evidence. The result is captured as an opportunity-score table and top outcomes. | 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. |
Complexitydifferent | Medium | Medium | Medium | Low |
Timedifferent | 30-90 min | 15-45 min | 60-120 min | 5-20 min |
Participantsdifferent | 3-12 | 1-8 | 3-6 | 3-20 |
Formatdifferent | Workshop | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Affinity Size Map, Grouped Estimates, Unclear Items | PERT Estimate, Expected Value, Risk Notes | Opportunity Score Table, Top Outcomes | Effort Heatmap, Risk Signals, Discussion Targets |
Tagsno overlap | EstimationBacklogRelative sizing | EstimationUncertaintyRisk | PrioritizationDiscoveryOutcomesNeeds | EstimationEffortRisk |