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| Criterion |  Operations A3 Problem Solving |  Operations Time Blocking |  Operations 8D Problem Solving |  Operations ALPEN Method |
|---|---|---|---|---|
Purposedifferent | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. | 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. | 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 | Medium | Low | High | Low |
Timedifferent | 45-90 min | 15-30 min Planung, laufend | 1-6 Wochen | 10-20 min daily |
Participantsdifferent | 2-5 | 1 | 4-10 | 1 |
Formatdifferent | Workshop + async | Async | Workshop + async | Async |
Outputdifferent | A3 Report, Action Plan, Root Cause Analysis | Blocked Calendar, Capacity View, Focus Plan | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | LeanProblem solvingCoachingOperations | PlanningTime managementFocus | QualityProblem solvingRoot cause | PlanningTime managementProductivityOperations |