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| Criterion |  Operations A3 Problem Solving |  Decision Making Decision Matrix |  Operations ALPEN Method |  Operations Kepner-Tregoe |
|---|---|---|---|---|
Purposedifferent | 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. | When several options collide with several criteria, comparison quickly becomes subjective. A Decision Matrix makes the trade-off visible and brings weighting, criteria, and options into a shared logic. | 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. | 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. |
Complexitydifferent | Medium | Medium | Low | High |
Timedifferent | 45-90 min | 45-90 min | 10-20 min daily | 2-8 h |
Participantsdifferent | 2-5 | 2-8 | 1 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop + async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Decision Matrix, Scoring Rationale, Selected Option | Daily Plan, Time Estimates, Review Notes | Problem Analysis, Decision Analysis, Risk Plan |
Tagsno overlap | LeanProblem solvingCoachingOperations | DecisionCriteriaScoringTradeoffs | PlanningTime managementProductivityOperations | Problem solvingRoot causeDecisionOperations |