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| Criterion |  Operations Getting Things Done |  Operations Causal Factor Analysis |  Operations Barrier Analysis |  Operations ALPEN Method |
|---|---|---|---|---|
Purposedifferent | With many open commitments and ideas in daily life, a reliable external storage system emerges. The method relieves the mind so priority and context don't have to compete in memory. | For an event with a complicated course, the method breaks down the contributing factors along the timeline. It shows how conditions, decisions, and reactions together produce a course of events. | For a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | 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 | High | Medium | Low |
Timedifferent | 1-2 h Setup, laufend | 2-6 h | 2-4 h | 10-20 min daily |
Participantsdifferent | 1 | 3-10 | 2-6 | 1 |
Formatdifferent | Async | Workshop + async | Workshop + async | Async |
Outputdifferent | Action Lists, Project List, Review Routine | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | ProductivityPlanningTasksExecution | CausalityIncidentRoot causeTimeline | Root causeSafetyIncident | PlanningTime managementProductivityOperations |