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| Criterion |  Operations A3 Problem Solving |  Operations Kepner-Tregoe |  Operations ABC Analysis |  Delivery Cost of Delay |
|---|---|---|---|---|
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. | 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 many similar objects of differing economic significance, the method prioritizes effort by effect. It separates what needs regular steering from what rarely needs attention. | Helps clarify scope, order, and delivery flow in concrete terms. It makes work, constraints, and sequence manageable. The result is captured as a Cost of Delay table and prioritization sequence. |
Complexitydifferent | Medium | High | Low | High |
Timedifferent | 45-90 min | 2-8 h | 30-60 min | 90-180 min |
Participantsdifferent | 2-5 | 2-8 | 1-5 | 3-8 |
Formatdifferent | Workshop + async | Workshop + async | Async | Workshop |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Problem Analysis, Decision Analysis, Risk Plan | ABC Classification, Focus Rules, Control List | CoD Table, Prioritization Sequence |
Tagsno overlap | LeanProblem solvingCoachingOperations | Problem solvingRoot causeDecisionOperations | PrioritizationOperationsPortfolio | PrioritizationDeliveryEconomicsDecision |