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| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Operations 8D Problem Solving |  Operations Barrier 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 acute quality or delivery problem, the method structures immediate protection and root cause work together. It keeps the situation stable while the actual cause is investigated cleanly. | 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. |
Complexitydifferent | Medium | High | Medium |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 1-6 Wochen | 2-4 h |
Participantsdifferent | Designers, developers as users, and facilitation | 4-10 | 2-6 |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan | Barrier Inventory, Failure Analysis per Barrier, Action Backlog |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | QualityProblem solvingRoot cause | Root causeSafetyIncident |
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