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| Criterion |  Decision Making Three-Point Estimation |  Agile Affinity Estimation |  Agile Planning Poker |  Decision Making PERT Estimation |
|---|---|---|---|---|
Purposedifferent | A single estimate for effort, time, or risk often looks too smooth for the real uncertainty behind it. It separates options, evaluation criteria, and open risks. The result is captured as a Three-Point Estimate, Risk Range, and Assumption Notes. | 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. | When estimates within the team diverge too much, it puts differing expectations on a common test bench. It separates rough complexity from unspoken assumptions. | 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. |
Complexitydifferent | Medium | Medium | Low | Medium |
Timedifferent | 10-30 min je Item | 30-90 min | 2-5 min je Item | 15-45 min |
Participantsdifferent | 1-8 | 3-12 | 3-9 | 1-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Three-Point Estimate, Risk Range, Assumption Notes | Affinity Size Map, Grouped Estimates, Unclear Items | Relative Estimates, Assumption Notes, Split Candidates | PERT Estimate, Expected Value, Risk Notes |
Tags1 shared | EstimationUncertaintyForecasting | EstimationBacklogRelative sizing | EstimationAgileRelative sizingTeam | EstimationUncertaintyRisk |