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| Criterion |  Decision Making PERT Estimation |  Agile Acceptance Criteria Workshop |  Agile Specification by Example |
|---|---|---|---|
Purposedifferent | 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 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. | When business rules need to become precise, it ties language, example, and test together. It sorts work by value, risk, and delivery ability. The result is captured as an Example Table and Acceptance Tests. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 15-45 min | 20-40 min pro Story | 60-90 min pro Feature |
Participantsdifferent | 1-8 | 3-6 | 3-6 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | PERT Estimate, Expected Value, Risk Notes | Acceptance Criteria, Story Update | Example Table, Acceptance Tests |
Tagsno overlap | EstimationUncertaintyRisk | AgileRequirementsRefinementBehavior-Driven Development | AgileRequirementsExamplesBehavior-Driven Development |
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