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| Criterion |  Decision Making Three-Point Estimation |  DevOps Incident Timeline Analysis |  Decision Making PERT Estimation |  Operations Causal Factor Analysis |
|---|---|---|---|---|
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. | For an incident with an unclear sequence, the method makes the timeline precisely visible. It separates perception, reaction, and delay so cause and effect become more clearly readable. | 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. | For an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. |
Complexitydifferent | Medium | Medium | Medium | High |
Timedifferent | 10-30 min je Item | 60-180 min | 15-45 min | 2-6 h |
Participantsdifferent | 1-8 | 3-10 | 1-8 | 3-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Three-Point Estimate, Risk Range, Assumption Notes | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | PERT Estimate, Expected Value, Risk Notes | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions |
Tagsno overlap | EstimationUncertaintyForecasting | IncidentTimelineSite Reliability Engineering | EstimationUncertaintyRisk | CausalityIncidentRoot causeTimeline |