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| Criterion |  Innovation Contradiction Analysis |  Operations 8D Problem Solving |  Operations Kepner-Tregoe |
|---|---|---|---|
Purposedifferent | 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. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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 | High | High |
Timedifferent | 60-120 min | 1-6 Wochen | 2-8 h |
Participantsdifferent | 2-8 | 4-10 | 2-8 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Contradiction Statement, Abstraction Notes, Solution Principles, Concept Ideas | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Problem Analysis, Decision Analysis, Risk Plan |
Tags1 shared | ContradictionsInnovationProblem solving | QualityProblem solvingRoot cause | Problem solvingRoot causeDecisionOperations |
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