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| Criterion |  Operations Time Blocking |  Operations Root Cause Tree Analysis |  Operations Failure Mode and Effects Analysis |  Operations ALPEN Method |
|---|---|---|---|---|
Purposedifferent | 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 problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. | For a process, product, or service with noticeable failure risks, the method assesses possible failure modes in advance. It directs attention to combinations of occurrence, effect, and detectability. | 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 | Low | Medium | High | Low |
Timedifferent | 15-30 min Planung, laufend | 1-3 h | 2-6 h | 10-20 min daily |
Participantsdifferent | 1 | 2-8 | 3-10 | 1 |
Formatdifferent | Async | Workshop | Workshop | Async |
Outputdifferent | Blocked Calendar, Capacity View, Focus Plan | Cause Tree, Evidence Notes, Countermeasures | FMEA Table, Risk Priority, Mitigation Actions | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | PlanningTime managementFocus | Root causeTreeIncidentQuality | RiskQualityOperationsRoot cause | PlanningTime managementProductivityOperations |