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| Criterion |  DevOps Incident Timeline Analysis |  Operations Causal Factor Analysis |  Product Discovery Riskiest Assumption Test |
|---|---|---|---|
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. | 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. | When an idea hinges on one critical unknown, it prioritizes testing that exact piece of uncertainty first. It separates problem, assumption, solution, and evidence. The result is captured as a prioritized list of assumptions, a test plan, and a result report. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | 60-180 min | 2-6 h | 1-2 Wochen pro Iteration |
Participantsdifferent | 3-10 | 3-10 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions | Prioritized Assumption List, Test Plan, Results Report |
Tagsno overlap | IncidentTimelineSite Reliability Engineering | CausalityIncidentRoot causeTimeline | ExperimentsValidationDiscoveryAssumptions |
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Methods with strong topical overlap with the current selection, not yet in the comparison.
