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| Criterion |  Operations Root Cause Tree Analysis |  Operations ALPEN Method |  Operations Getting Things Done |  Operations Failure Mode and Effects Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | 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 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. |
Complexitydifferent | Medium | Low | Medium | High |
Timedifferent | 1-3 h | 10-20 min daily | 1-2 h Setup, laufend | 2-6 h |
Participantsdifferent | 2-8 | 1 | 1 | 3-10 |
Formatdifferent | Workshop | Async | Async | Workshop |
Outputdifferent | Cause Tree, Evidence Notes, Countermeasures | Daily Plan, Time Estimates, Review Notes | Action Lists, Project List, Review Routine | FMEA Table, Risk Priority, Mitigation Actions |
Tagsno overlap | Root causeTreeIncidentQuality | PlanningTime managementProductivityOperations | ProductivityPlanningTasksExecution | RiskQualityOperationsRoot cause |