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Selected:Pirate Metrics AARRRATAM (Architecture Tradeoff Analysis Method)LASR (Lightweight Approach for Software Reviews)
| Criterion |  Growth Pirate Metrics AARRR |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture LASR (Lightweight Approach for Software Reviews) |
|---|---|---|---|
Purposedifferent | For products with complex usage paths, overall growth alone is too coarse to reveal bottlenecks. Pirate Metrics breaks the relationship with the product into consecutive stages and shows where the funnel actually leaks. | 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. | 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 | Medium | High | Medium |
Timedifferent | 1-2 h Setup, laufend | Several meetings plus preparation and analysis; total effort depends on scope | 3–4 h for initial assessment; preparation and deeper analysis additional |
Participantsdifferent | 2-8 | Evaluation team, architects, and relevant stakeholders | 1 or a small team; particularly suitable for 3–4 people |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | AARRR funnel, Metric baseline, Experiment backlog | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | 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 | GrowthMetricsExperiments | ArchitectureQualityRiskTradeoffsStakeholders | ArchitectureQualityRiskAssessmentLean |
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