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| Criterion |  Knowledge Modeling Teach-back |  Operations Causal Factor Analysis |  Operations Learning Review |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | Teach-back checks whether an explanation actually got through to the other person. The method makes misunderstandings visible early and strengthens shared understanding in advisory and learning situations. | 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. | After a project phase with mixed results, the method makes learning from the individual case reusable. It connects events, decisions, and systemic conditions into robust insights. | 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. |
Complexitydifferent | Low | High | Medium | Medium |
Timedifferent | 5-20 min | 2-6 h | 1-3 h | 2-4 h |
Participantsdifferent | 2-8 | 3-10 | 3-10 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Understanding Check, Clarification Notes, Learning Gaps | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Learning Review Notes, System Factors, Improvement Actions | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | LearningUnderstandingCommunication | CausalityIncidentRoot causeTimeline | LearningRetrospectiveIncidentOperations | Root causeSafetyIncident |