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| Criterion |  DevOps Incident Timeline Analysis |  Product Discovery Experiment Canvas |  Decision Making Assumption Surfacing |
|---|---|---|---|
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 experiments become unreadable after the fact, it arranges hypothesis, signal, and learning goal on a single canvas. It separates problem, assumption, solution, and evidence. The result is captured as a Completed Experiment Canvas and a Success Metric. | 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. |
Complexitydifferent | Medium | Low | Low |
Timedifferent | 60-180 min | 30-60 min | 45-90 min |
Participantsdifferent | 3-10 | 1-5 | 2-8 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Completed Experiment Canvas, Success Metric | Assumption List, Critical Assumptions, Learning Plan |
Tagsno overlap | IncidentTimelineSite Reliability Engineering | ExperimentsValidationDiscoveryHypothesis | AssumptionsRiskDecisionDiscovery |
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