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| Criterion |  DevOps ChatOps |  Decision Making Delphi Method |  Systems Thinking Current Reality Tree |  Operations Barrier Analysis |
|---|---|---|---|---|
Purposedifferent | For operational work in a distributed team, the method links communication with direct system control. It records decisions right where the signal, the context, and the execution come together. | When knowledge is distributed and direct dominance should be avoided, groups quickly fall under the sway of their opinion leaders. The Delphi Method gathers assessments iteratively and gradually brings expert judgments closer together. | 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 | Medium | High | High | Medium |
Timedifferent | Ongoing | 1-4 Wochen | 2-6 h | 2-4 h |
Participantsdifferent | 2-20 | 6-30 Experten | 3-8 | 2-6 |
Formatdifferent | Workshop + async | Async | Workshop | Workshop + async |
Outputdifferent | Chat Transcript, Action Log, Automations | Expert Forecast, Consensus Range, Assumption Notes | Current Reality Tree, Core Problems, Intervention Ideas | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | CollaborationEngineeringIncident | ForecastingExpertsDecisionStrategy | Systems thinkingRoot causeConstraintsCausality | Root causeSafetyIncident |