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| Criterion |  Operations Barrier Analysis |  Operations Time Blocking |  Operations Causal Factor Analysis |  Systems Thinking Current Reality Tree |
|---|---|---|---|---|
Purposedifferent | 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. | 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 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. | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. |
Complexitydifferent | Medium | Low | High | High |
Timedifferent | 2-4 h | 15-30 min Planung, laufend | 2-6 h | 2-6 h |
Participantsdifferent | 2-6 | 1 | 3-10 | 3-8 |
Formatdifferent | Workshop + async | Async | Workshop + async | Workshop |
Outputdifferent | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Blocked Calendar, Capacity View, Focus Plan | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | Root causeSafetyIncident | PlanningTime managementFocus | CausalityIncidentRoot causeTimeline | Systems thinkingRoot causeConstraintsCausality |