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| Criterion |  Operations Kepner-Tregoe |  Operations Failure Mode and Effects Analysis |  Innovation Contradiction 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. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | When a system should improve while another measure suffers as a result, the method makes the underlying conflict precisely formulable. It separates the desired effect from its side effect. This makes solutions possible that address the contradiction deliberately instead of half-heartedly. |
Complexitydifferent | High | High | Medium |
Timedifferent | 2-8 h | 2-6 h | 60-120 min |
Participantsdifferent | 2-8 | 3-10 | 2-8 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Problem Analysis, Decision Analysis, Risk Plan | FMEA Table, Risk Priority, Mitigation Actions | Contradiction Statement, Abstraction Notes, Solution Principles, Concept Ideas |
Tagsno overlap | Problem solvingRoot causeDecisionOperations | RiskQualityOperationsRoot cause | ContradictionsInnovationProblem solving |
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