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| Criterion | ![]() Operations ALPEN Method | ![]() Operations After-Action Review | ![]() Operations 8D Problem Solving | ![]() Operations Root Cause Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | After missions or project phases with unclear outcomes, the method makes visible what actually happened and what can be learned from it. It separates course, effect, and causes so experience turns into solid improvement. | 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. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. |
Complexitydifferent | Low | Low | High | Medium |
Timedifferent | 10-20 min daily | 20-45 min | 1-6 Wochen | 1-4 h |
Participantsdifferent | 1 | 3-12 | 4-10 | 3-8 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Daily Plan, Time Estimates, Review Notes | Lessons learned, Action items, Event summary | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan |
Tagsno overlap | PlanningTime managementProductivityOperations | LearningOperationsImprovement | QualityProblem solvingRoot cause | Root causeProblem solvingQualityIncident |



