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| Criterion |  Operations 5 Whys |  Architecture ARID (Active Reviews for Intermediate Designs) |
|---|---|---|
Purposedifferent | 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. | 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. |
Complexitydifferent | Low | Medium |
Timedifferent | 15-30 min | 2–4 h review as a planning range; preparation and evaluation additional |
Participantsdifferent | 2-6 | Designers, developers as users, and facilitation |
Formatdifferent | Workshop | Workshop + async |
Outputdifferent | Root cause notes, Countermeasures | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions |
Tagsno overlap | Root causeIncidentLeanProblem solving | ArchitectureEngineeringFeedbackValidationTasks |
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