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| Criterion |  Operations 5 Whys |  Operations Failure Mode and Effects Analysis |  Operations ALPEN Method |
|---|---|---|---|
Purposedifferent | 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. | 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 | High | Low |
Timedifferent | 15-30 min | 2-6 h | 10-20 min daily |
Participantsdifferent | 2-6 | 3-10 | 1 |
Formatdifferent | Workshop | Workshop | Async |
Outputdifferent | Root cause notes, Countermeasures | FMEA Table, Risk Priority, Mitigation Actions | Daily Plan, Time Estimates, Review Notes |
Tagsno overlap | Root causeIncidentLeanProblem solving | RiskQualityOperationsRoot cause | PlanningTime managementProductivityOperations |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
