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| Criterion |  Decision Making Assumption Surfacing |  Operations Causal Factor Analysis |  DevOps Incident Timeline Analysis |
|---|---|---|---|
Purposedifferent | Plans often contain assumptions that were never openly stated and remain dangerous precisely because of that. Assumption Surfacing makes these silent premises visible and prioritizes which of them carry the initiative or could sink it. | 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. | 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. |
Complexitydifferent | Low | High | Medium |
Timedifferent | 45-90 min | 2-6 h | 60-180 min |
Participantsdifferent | 2-8 | 3-10 | 3-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Assumption List, Critical Assumptions, Learning Plan | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions |
Tagsno overlap | AssumptionsRiskDecisionDiscovery | CausalityIncidentRoot causeTimeline | IncidentTimelineSite Reliability Engineering |
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