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Selected:Usability TestingLASR (Lightweight Approach for Software Reviews)Design SprintATAM (Architecture Tradeoff Analysis Method)
| Criterion |  UX Research Usability Testing |  Architecture LASR (Lightweight Approach for Software Reviews) |  Innovation Design Sprint |  Architecture ATAM (Architecture Tradeoff Analysis Method) |
|---|---|---|---|---|
Purposedifferent | When a product is built but people get stuck on tasks, usability testing shows the friction at concrete points. Observed use instead of self-report makes visible where orientation, understanding, or interaction breaks down. | 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. | When the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. | 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. |
Complexitydifferent | Medium | Medium | High | High |
Timedifferent | 1-2 h je Session | 3–4 h for initial assessment; preparation and deeper analysis additional | 4-5 Tage | Several meetings plus preparation and analysis; total effort depends on scope |
Participantsdifferent | Based on research question | 1 or a small team; particularly suitable for 3–4 people | 5-8 | Evaluation team, architects, and relevant stakeholders |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Usability Issues, Severity List, Recommendations | 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 | Prototype, Test Findings, Decision Rationale | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations |
Tagsno overlap | ValidationUXPrototype | ArchitectureQualityRiskAssessmentLean | Design sprintPrototypeValidationInnovation | ArchitectureQualityRiskTradeoffsStakeholders |