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| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Operations 5 Whys |  Operations Change 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 a single, hard-to-explain deviation, the method exposes the causal chain behind the visible symptom. It keeps the cause open until a controllable condition emerges instead of a mere description. | For a deviation after a change, the method isolates the influence of the altered condition. It narrows down which differences are relevant and which are just accompanying noise. |
Complexitydifferent | Medium | Low | Medium |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 15-30 min | 45-120 min |
Participantsdifferent | Designers, developers as users, and facilitation | 2-6 | 2-6 |
Formatdifferent | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Root cause notes, Countermeasures | Change Matrix, Cause Hypotheses, Validation Questions, Action List |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | Root causeIncidentLeanProblem solving | ChangeRoot causeTroubleshootingComparison |
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