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| Criterion |  Operations Time Blocking |  Operations ALPEN Method |  Operations Kepner-Tregoe |  Operations 8D Problem Solving |
|---|---|---|---|---|
Purposedifferent | 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. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | 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 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 | Low | Low | High | High |
Timedifferent | 15-30 min Planung, laufend | 10-20 min daily | 2-8 h | 1-6 Wochen |
Participantsdifferent | 1 | 1 | 2-8 | 4-10 |
Formatdifferent | Async | Async | Workshop + async | Workshop + async |
Outputdifferent | Blocked Calendar, Capacity View, Focus Plan | Daily Plan, Time Estimates, Review Notes | Problem Analysis, Decision Analysis, Risk Plan | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | PlanningTime managementFocus | PlanningTime managementProductivityOperations | Problem solvingRoot causeDecisionOperations | QualityProblem solvingRoot cause |