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| Criterion |  Operations 8D Problem Solving |  Operations Weekly Review |  Operations Kepner-Tregoe |  Operations ALPEN Method |
|---|---|---|---|---|
Purposedifferent | 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. | In a week with many open loops, the method creates distance from operational noise. It organizes commitments, calendar, and projects so the next week becomes workable. | 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 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. |
Complexitydifferent | High | Low | High | Low |
Timedifferent | 1-6 Wochen | 30-60 min | 2-8 h | 10-20 min daily |
Participantsdifferent | 4-10 | 1 | 2-8 | 1 |
Formatdifferent | Workshop + async | Async | Workshop + async | Async |
Outputdifferent | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Updated Task System, Weekly Focus, Next Actions | Problem Analysis, Decision Analysis, Risk Plan | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | QualityProblem solvingRoot cause | ProductivityExecutionPlanning | Problem solvingRoot causeDecisionOperations | PlanningTime managementProductivityOperations |