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| Criterion |  DevOps Incident Timeline Analysis |  Decision Making Delphi Method |  Operations 5 Whys |  Operations Causal Factor Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | For a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | 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 | Medium | High | Low | High |
Timedifferent | 60-180 min | 1-4 Wochen | 15-30 min | 2-6 h |
Participantsdifferent | 3-10 | 6-30 Experten | 2-6 | 3-10 |
Formatdifferent | Workshop + async | Async | Workshop | Workshop + async |
Outputdifferent | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Expert Forecast, Consensus Range, Assumption Notes | Root cause notes, Countermeasures | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions |
Tagsno overlap | IncidentTimelineSite Reliability Engineering | ForecastingExpertsDecisionStrategy | Root causeIncidentLeanProblem solving | CausalityIncidentRoot causeTimeline |