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| Criterion |  Facilitation 1-2-4-All |  Operations Barrier Analysis |  Operations Causal Factor Analysis |
|---|---|---|---|
Purposedifferent | When many people in a group too rarely get to speak, 1-2-4-All distributes thinking time more fairly. The format builds participation step by step and makes quiet or still-unformed thoughts usable faster. | 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. | 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. |
Complexitydifferent | Low | Medium | High |
Timedifferent | 10-20 min | 2-4 h | 2-6 h |
Participantsdifferent | 4-100+ | 2-6 | 3-10 |
Formatdifferent | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Idea List, Shared Insights, Emergent Themes | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions |
Tagsno overlap | FacilitationInclusionIdeation | Root causeSafetyIncident | CausalityIncidentRoot causeTimeline |
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