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Selected:ARID (Active Reviews for Intermediate Designs)Root Cause Tree AnalysisFishbone Diagram8D Problem Solving
| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Operations Root Cause Tree Analysis |  Operations Fishbone Diagram |  Operations 8D Problem Solving |
|---|---|---|---|---|
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 a problem with several suspected causes, the method builds a causal structure instead of a mere list. It makes visible how causes connect and where the strongest points of leverage lie. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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. |
Complexitydifferent | Medium | Medium | Low | High |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 1-3 h | 30-60 min | 1-6 Wochen |
Participantsdifferent | Designers, developers as users, and facilitation | 2-8 | 2-8 | 4-10 |
Formatdifferent | Workshop + async | Workshop | Workshop | Workshop + async |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Cause Tree, Evidence Notes, Countermeasures | Fishbone Diagram, Cause Categories, Investigation Backlog | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | Root causeTreeIncidentQuality | Root causeQualityOperations | QualityProblem solvingRoot cause |