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Selected:Incident Timeline AnalysisRisk StormingA/B TestingARID (Active Reviews for Intermediate Designs)
| Criterion |  DevOps Incident Timeline Analysis |  Architecture Risk Storming |  Growth A/B Testing |  Architecture ARID (Active Reviews for Intermediate Designs) |
|---|---|---|---|---|
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. | Helps clarify architecture context, options, and consequences in concrete terms. It organizes technical context, alternatives, and consequences. The result is captured as an Annotated Diagram, a Prioritized Risk List, and an Action Backlog. | When two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. | ARID examines how well developers can work with a technical design. It focuses on a part of the system that can still be revised, between the architecture overview and the detailed specification. |
Complexitydifferent | Medium | Low | High | Medium |
Timedifferent | 60-180 min | 60-90 min | 1-4 Wochen | 2–4 h review as a planning range; preparation and evaluation additional |
Participantsdifferent | 3-10 | 4-12 | 1-6 | Designers, developers as users, and facilitation |
Formatdifferent | Workshop + async | Workshop | Async | Workshop + async |
Outputdifferent | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Annotated Diagram, Prioritized Risk List, Action Backlog | Experiment results, Decision log, Learning summary | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions |
Tagsno overlap | IncidentTimelineSite Reliability Engineering | RiskArchitectureWorkshopValidation | ExperimentsGrowthAnalyticsValidation | ArchitectureEngineeringFeedbackValidationTasks |