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Selected:ARID (Active Reviews for Intermediate Designs)Incident Timeline AnalysisBarrier AnalysisCausal Factor Analysis
| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  DevOps Incident Timeline Analysis |  Operations Barrier Analysis |  Operations Causal Factor Analysis |
|---|---|---|---|---|
Purposedifferent | 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. | 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 a risk that can only be managed through multiple layers of protection, the method examines the effectiveness of each barrier. It shows where safeguards are missing, too weak, or fail under real conditions. | 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 | Medium | Medium | Medium | High |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 60-180 min | 2-4 h | 2-6 h |
Participantsdifferent | Designers, developers as users, and facilitation | 3-10 | 2-6 | 3-10 |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Incident Timeline, Evidence Log, Delay Analysis, Improvement Actions | Barrier Inventory, Failure Analysis per Barrier, Action Backlog | Event Timeline, Causal Factor Chart, Cause List, Corrective Actions |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | IncidentTimelineSite Reliability Engineering | Root causeSafetyIncident | CausalityIncidentRoot causeTimeline |