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| Criterion |  Agile Ideal Days |  Agile Acceptance Criteria Workshop |  Decision Making PERT Estimation |
|---|---|---|---|
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 a story needs clear checkpoints before implementation, it sharpens expectation and scope together. It sorts work by value, risk, and delivery ability. The result is captured as Acceptance Criteria and a Story Update. | 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 | Low | Low | Medium |
Timedifferent | 15-60 min | 20-40 min pro Story | 15-45 min |
Participantsdifferent | 2-9 | 3-6 | 1-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Ideal Day Estimates, Assumption Notes, Capacity Caveats | Acceptance Criteria, Story Update | PERT Estimate, Expected Value, Risk Notes |
Tagsno overlap | EstimationEffortAgile | AgileRequirementsRefinementBehavior-Driven Development | EstimationUncertaintyRisk |
Often compared together
Methods with strong topical overlap with the current selection, not yet in the comparison.
