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| Criterion |  Decision Making PERT Estimation |  DevOps Game Day |  Operations Failure Mode and Effects Analysis |  Operations Root Cause Tree Analysis |
|---|---|---|---|---|
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. | In preparing for rare incidents, the method tests response capability under controlled conditions. It shows where assumptions about stability, roles, and recovery are too optimistic. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | For a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. |
Complexitydifferent | Medium | High | High | Medium |
Timedifferent | 15-45 min | Halber Tag | 2-6 h | 1-3 h |
Participantsdifferent | 1-8 | 5-20 | 3-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop |
Outputdifferent | PERT Estimate, Expected Value, Risk Notes | Simulation Notes, Gaps List, Updated Runbooks | FMEA Table, Risk Priority, Mitigation Actions | Cause Tree, Evidence Notes, Countermeasures |
Tagsno overlap | EstimationUncertaintyRisk | ResilienceOperationsIncident | RiskQualityOperationsRoot cause | Root causeTreeIncidentQuality |