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| Criterion |  Decision Making PERT Estimation |  Operations Kepner-Tregoe |  Decision Making Assumption Surfacing |  Operations A3 Problem Solving |
|---|---|---|---|---|
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. | For a disturbance that's hard to pin down, the method cleanly separates problem, cause, and decision. It reduces mixing when symptoms allow several interpretations. | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. |
Complexitydifferent | Medium | High | Low | Medium |
Timedifferent | 15-45 min | 2-8 h | 45-90 min | 45-90 min |
Participantsdifferent | 1-8 | 2-8 | 2-8 | 2-5 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | PERT Estimate, Expected Value, Risk Notes | Problem Analysis, Decision Analysis, Risk Plan | Assumption List, Critical Assumptions, Learning Plan | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | EstimationUncertaintyRisk | Problem solvingRoot causeDecisionOperations | AssumptionsRiskDecisionDiscovery | LeanProblem solvingCoachingOperations |