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| Criterion |  Operations Kepner-Tregoe |  Operations ALPEN Method |  Operations Root Cause Analysis |
|---|---|---|---|
Purposedifferent | 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. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | High | Low | Medium |
Timedifferent | 2-8 h | 10-20 min daily | 1-4 h |
Participantsdifferent | 2-8 | 1 | 3-8 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Problem Analysis, Decision Analysis, Risk Plan | Daily Plan, Time Estimates, Review Notes | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | Problem solvingRoot causeDecisionOperations | PlanningTime managementProductivityOperations | Root causeProblem solvingQualityIncident |
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