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| Criterion |  Operations ALPEN Method |  Operations Barrier Analysis |  Operations Time Blocking |  Operations 5 Whys |
|---|---|---|---|---|
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. | 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 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 a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. |
Complexitydifferent | Low | Medium | Low | Low |
Timedifferent | 10-20 min daily | 2-4 h | 15-30 min Planung, laufend | 15-30 min |
Participantsdifferent | 1 | 2-6 | 1 | 2-6 |
Formatdifferent | Async | Workshop + async | Async | Workshop |
Outputdifferent | Daily Plan, Time Estimates, Review Notes | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Blocked Calendar, Capacity View, Focus Plan | Root cause notes, Countermeasures |
Tagsno overlap | PlanningTime managementProductivityOperations | Root causeSafetyIncident | PlanningTime managementFocus | Root causeIncidentLeanProblem solving |