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| Criterion |  Agile Ideal Days |  Facilitation Dot Estimation |  Facilitation Dot Voting |  Facilitation Nominal Group Technique |
|---|---|---|---|---|
Purposedifferent | When effort needs to be thought of as real working time, it offers a simple common denominator for comparison. It sorts work by value, risk, and delivery ability. The result is captured as Ideal Day Estimates, Assumption Notes, and Capacity Caveats. | 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 workshop has produced too many options and the group needs to condense quickly, dot voting makes preferences visible in a short time. It bundles individual votes into a solid signal for the next selection. | When loud voices could dominate a round, Nominal Group Technique protects individual thinking time from group effects. It collects ideas separately first and only then enables shared weighting. |
Complexitydifferent | Low | Low | Low | Medium |
Timedifferent | 15-60 min | 5-20 min | 5-15 min | 60-120 min |
Participantsdifferent | 2-9 | 3-20 | 3-20 | 5-12 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | Ideal Day Estimates, Assumption Notes, Capacity Caveats | Effort Heatmap, Risk Signals, Discussion Targets | Ranked list, Consensus signal, Shortlist | Ranked Ideas, Clarified Options, Group Priority |
Tagsno overlap | EstimationEffortAgile | EstimationEffortRisk | FacilitationVotingConsensusPrioritization | FacilitationPrioritizationVotingInclusion |