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Selected:ARID (Active Reviews for Intermediate Designs)Kaizen EventLASR (Lightweight Approach for Software Reviews)A3 Problem Solving
| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Operations Kaizen Event |  Architecture LASR (Lightweight Approach for Software Reviews) |  Operations A3 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 tightly scoped process segment with noticeable waste, the method bundles shared energy for change. It suits situations that call for fast learning loops and visible adjustments. | LASR helps development teams identify where their software falls short of important quality goals and which improvements to consider. A small group with existing system knowledge can make an initial assessment and investigate open questions in more detail. | For a complex deviation with several people involved, the method bundles problem, analysis, and decision onto one page. It creates a shared working space where causes, countermeasures, and follow-up fit together. |
Complexitysame | Medium | Medium | Medium | Medium |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | 0.5-5 Tage | 3–4 h for initial assessment; preparation and deeper analysis additional | 45-90 min |
Participantsdifferent | Designers, developers as users, and facilitation | 4-10 | 1 or a small team; particularly suitable for 3–4 people | 2-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Kaizen Charter, Waste List, Improvement Experiments, Standard Work Update | Lean Mission Statement describing the software’s purpose, Prioritized quality goals and evaluation criteria, Risks and estimated gaps against quality goals, More closely examined findings and open checks | A3 Report, Action Plan, Root Cause Analysis |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | LeanContinuous improvementOperations | ArchitectureQualityRiskAssessmentLean | LeanProblem solvingCoachingOperations |