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Selected:ATAM (Architecture Tradeoff Analysis Method)Fishbone DiagramLASR (Lightweight Approach for Software Reviews)A3 Problem Solving
| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations Fishbone Diagram |  Architecture LASR (Lightweight Approach for Software Reviews) |  Operations A3 Problem Solving |
|---|---|---|---|---|
Purposedifferent | 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. | When a problem has several possible contributing factors, the method sorts causes by cause areas. It prevents an initial hunch from blocking the view of other plausible drivers. | 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. |
Complexitydifferent | High | Low | Medium | Medium |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 30-60 min | 3–4 h for initial assessment; preparation and deeper analysis additional | 45-90 min |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 2-8 | 1 or a small team; particularly suitable for 3–4 people | 2-5 |
Formatdifferent | Workshop + async | Workshop | Workshop + async | Workshop + async |
Outputdifferent | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Fishbone Diagram, Cause Categories, Investigation Backlog | 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 | ArchitectureQualityRiskTradeoffsStakeholders | Root causeQualityOperations | ArchitectureQualityRiskAssessmentLean | LeanProblem solvingCoachingOperations |