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| Criterion |  Decision Making Delphi Method |  DevOps Incident Timeline Analysis |  Operations 8D Problem Solving |  Operations Causal Factor Analysis |
|---|---|---|---|---|
Purposedifferent | 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 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. | For an acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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 | High | Medium | High | High |
Timedifferent | 1-4 Wochen | 60-180 min | 1-6 Wochen | 2-6 h |
Participantsdifferent | 6-30 Experten | 3-10 | 4-10 | 3-10 |
Formatdifferent | Async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Expert Forecast, Consensus Range, Assumption Notes | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions |
Tagsno overlap | ForecastingExpertsDecisionStrategy | IncidentTimelineSite Reliability Engineering | QualityProblem solvingRoot cause | CausalityIncidentRoot causeTimeline |