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| Criterion |  Facilitation Timeline |  DevOps Incident Timeline Analysis |  Systems Thinking Current Reality Tree |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | When a project, incident, or change process is only remembered in fragments, Timeline brings the sequence back into a readable form. It makes turning points, precursors, and after-effects recognizable over the course of time. | For an incident with an unclear sequence, the method makes the timeline precisely visible. It separates perception, reaction, and delay so cause and effect become more clearly readable. | 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. | 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 | Medium | High | Medium |
Timedifferent | 30-90 min | 60-180 min | 2-6 h | 2-4 h |
Participantsdifferent | 2-12 | 3-10 | 3-8 | 2-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Timeline, Milestones, Insight Notes | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Current Reality Tree, Core Problems, Intervention Ideas | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | TimelineFacilitationSequence | IncidentTimelineSite Reliability Engineering | Systems thinkingRoot causeConstraintsCausality | Root causeSafetyIncident |