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| Criterion |  Operations ABC Analysis |  Innovation TRIZ |  Operations Kepner-Tregoe |  Operations A3 Problem Solving |
|---|---|---|---|---|
Purposedifferent | 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. | For technical contradictions or trade-offs, the method looks for solutions that resolve opposing requirements at the same time. It translates limits into an explicit picture of conflict that becomes workable. This produces not just compromises but more elegant principles. | 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. | 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 | Low | High | High | Medium |
Timedifferent | 30-60 min | 1-4 h | 2-8 h | 45-90 min |
Participantsdifferent | 1-5 | 2-8 | 2-8 | 2-5 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | ABC Classification, Focus Rules, Control List | Contradiction Statement, Inventive Principles, Solution Concepts | Problem Analysis, Decision Analysis, Risk Plan | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | PrioritizationOperationsPortfolio | InnovationProblem solvingContradictionsCreativity | Problem solvingRoot causeDecisionOperations | LeanProblem solvingCoachingOperations |