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| Criterion |  Facilitation Dot Estimation |  Product Discovery Test Card |  Agile Affinity Estimation |
|---|---|---|---|
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. | The Test Card turns a critical assumption into a testable claim and specifies in advance which result counts as success. | 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. |
Complexitydifferent | Low | Low | Medium |
Timedifferent | 5-20 min | 20-35 min | 30-90 min |
Participantsdifferent | 3-20 | 1-5 | 3-12 |
Formatdifferent | Workshop | Workshop + async | Workshop |
Outputdifferent | Effort Heatmap, Risk Signals, Discussion Targets | Test Card with a pre-set threshold | Affinity Size Map, Grouped Estimates, Unclear Items |
Tagsno overlap | EstimationEffortRisk | ExperimentsValidationDiscoveryHypothesis | EstimationBacklogRelative sizing |
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