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Selected:DMAICATAM (Architecture Tradeoff Analysis Method)Kaizen EventLASR (Lightweight Approach for Software Reviews)
| Criterion |  Operations DMAIC |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations Kaizen Event |  Architecture LASR (Lightweight Approach for Software Reviews) |
|---|---|---|---|---|
Purposedifferent | For a process problem with fluctuating performance, the method brings analysis and improvement into a disciplined sequence. It creates a framework in which numbers, causes, and control come together. | ATAM helps teams weigh architecture decisions when quality goals compete. The team considers business goals, stakeholder expectations, and technical decisions together. The evaluation shows which risks need further investigation. | 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. |
Complexitydifferent | High | High | Medium | Medium |
Timedifferent | 2-12 Wochen | Several meetings plus preparation and analysis; total effort depends on scope | 0.5-5 Tage | 3–4 h for initial assessment; preparation and deeper analysis additional |
Participantsdifferent | 3-10 | Evaluation team, architects, and relevant stakeholders | 4-10 | 1 or a small team; particularly suitable for 3–4 people |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Project Charter, Measurement Plan, Cause Analysis, Control Plan | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | 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 |
Tagsno overlap | Continuous improvementQualityProcess improvement | ArchitectureQualityRiskTradeoffsStakeholders | LeanContinuous improvementOperations | ArchitectureQualityRiskAssessmentLean |