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| Criterion |  Operations Kepner-Tregoe |  Operations Time Blocking |  Operations 8D Problem Solving |
|---|---|---|---|
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. | With a calendar that grows on request, the method makes available time explicit again. It combines appointments, focus work, and buffer into a more realistic day structure. | 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. |
Complexitydifferent | High | Low | High |
Timedifferent | 2-8 h | 15-30 min Planung, laufend | 1-6 Wochen |
Participantsdifferent | 2-8 | 1 | 4-10 |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Problem Analysis, Decision Analysis, Risk Plan | Blocked Calendar, Capacity View, Focus Plan | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | Problem solvingRoot causeDecisionOperations | PlanningTime managementFocus | QualityProblem solvingRoot cause |
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