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| Criterion |  DevOps ChatOps |  Agile Affinity Estimation |  Decision Making PERT Estimation |  Decision Making Three-Point Estimation |
|---|---|---|---|---|
Purposedifferent | For operational work in a distributed team, the method links communication with direct system control. It records decisions right where the signal, the context, and the execution come together. | 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. | 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. | 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. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | Ongoing | 30-90 min | 15-45 min | 10-30 min je Item |
Participantsdifferent | 2-20 | 3-12 | 1-8 | 1-8 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Chat Transcript, Action Log, Automations | Affinity Size Map, Grouped Estimates, Unclear Items | PERT Estimate, Expected Value, Risk Notes | Three-Point Estimate, Risk Range, Assumption Notes |
Tagsno overlap | CollaborationEngineeringIncident | EstimationBacklogRelative sizing | EstimationUncertaintyRisk | EstimationUncertaintyForecasting |