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| Criterion |  DevOps ChatOps |  Decision Making PERT Estimation |  Systems Thinking Future Reality Tree |  Systems Thinking Evaporating Cloud |
|---|---|---|---|---|
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. | On complex initiatives, a plain average tends to understate just how uncertain the outcome really is. It separates options, evaluation criteria, and open risks. The result is captured as a PERT Estimate, Expected Value, and Risk Notes. | A Future Reality Tree shows how desired actions are meant to lead to a better system state. The method checks whether a path of change holds together logically before time flows into implementation. | The method makes visible why two seemingly incompatible demands arise and which assumption must be tested to resolve the conflict. |
Complexitydifferent | Medium | Medium | High | Medium |
Timedifferent | Ongoing | 15-45 min | 2-4 h | 60-120 min |
Participantsdifferent | 2-20 | 1-8 | 3-8 | 2-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop |
Outputdifferent | Chat Transcript, Action Log, Automations | PERT Estimate, Expected Value, Risk Notes | Future Reality Tree, Negative Branches, Assumption List, Improved Injections | Conflict Cloud, Assumption List, Breakthrough Ideas, Next Experiments |
Tagsno overlap | CollaborationEngineeringIncident | EstimationUncertaintyRisk | Theory of ConstraintsSystems thinkingChange | Theory of ConstraintsAssumptionsSystems thinking |