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Selected:ARID (Active Reviews for Intermediate Designs)Root Cause AnalysisAffinity Diagramming8D Problem Solving
| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Operations Root Cause Analysis |  UX Research Affinity Diagramming |  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. | When a problem keeps recurring and the cause stays unclear, the method exposes the underlying mechanism. It separates symptom, guess, and robust explanation from one another. | When research notes, feedback, or observations sit unconnected side by side, affinity diagramming sorts the raw material into solid themes. Many individual points turn into patterns that make decisions and opportunities clearer. | 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 | 1-4 h | 45–90 min | 1-6 Wochen |
Participantsdifferent | Designers, developers as users, and facilitation | 3-8 | 3-10 | 4-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Problem Statement, Cause Hypotheses, Confirmed Causes, Action Plan | Theme clusters, Insight statements, Opportunity areas | 8D Report, Containment Plan, Root Cause Evidence, Corrective Action Plan |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | Root causeProblem solvingQualityIncident | SynthesisQualitativeRoot cause | QualityProblem solvingRoot cause |