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Selected:ATAM (Architecture Tradeoff Analysis Method)ALPEN MethodLASR (Lightweight Approach for Software Reviews)
| Criterion |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Operations ALPEN Method |  Architecture LASR (Lightweight Approach for Software Reviews) |
|---|---|---|---|
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. | With an overloaded day full of too many tasks, a realistic picture of the day emerges. The method connects estimating, deciding, and buffer thinking so planning fits available energy and time. | 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 | Low | Medium |
Timedifferent | Several meetings plus preparation and analysis; total effort depends on scope | 10-20 min daily | 3–4 h for initial assessment; preparation and deeper analysis additional |
Participantsdifferent | Evaluation team, architects, and relevant stakeholders | 1 | 1 or a small team; particularly suitable for 3–4 people |
Formatdifferent | Workshop + async | 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 | Daily Plan, Time Estimates, Review Notes | 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 | ArchitectureQualityRiskTradeoffsStakeholders | PlanningTime managementProductivityOperations | ArchitectureQualityRiskAssessmentLean |
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