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| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Operations 5 Whys |  Systems Thinking Current Reality Tree |
|---|---|---|---|
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. | A Current Reality Tree condenses many symptoms into a few causal chains. The method makes visible which core problems drive several negative effects at once. |
Complexitydifferent | Medium | Low | High |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 15-30 min | 2-6 h |
Participantsdifferent | Designers, developers as users, and facilitation | 2-6 | 3-8 |
Formatdifferent | Workshop + async | Workshop | Workshop |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Root cause notes, Countermeasures | Current Reality Tree, Core Problems, Intervention Ideas |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | Root causeIncidentLeanProblem solving | Systems thinkingRoot causeConstraintsCausality |
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