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Selected:User InterviewsLean UX CanvasATAM (Architecture Tradeoff Analysis Method)LASR (Lightweight Approach for Software Reviews)
| Criterion |  UX Research User Interviews |  UX Design Lean UX Canvas |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture LASR (Lightweight Approach for Software Reviews) |
|---|---|---|---|---|
Purposedifferent | When teams derive needs only from assumptions and real motives are missing, user interviews give direct access to behavior and meaning. Conversations from the target group's everyday life make patterns, tensions, and open questions solidly visible. | The Lean UX Canvas helps clarify user behavior, touchpoints, and concept decisions. It makes assumptions and desired outcomes visible and captures the result as a completed canvas, hypothesis list, and first experiment. | 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 | Low | Medium | High | Medium |
Timedifferent | 30–60 min per interview | 2-3 h | Several meetings plus preparation and analysis; total effort depends on scope | 3–4 h for initial assessment; preparation and deeper analysis additional |
Participantsdifferent | 1 participant per interview | 3-8 | Evaluation team, architects, and relevant stakeholders | 1 or a small team; particularly suitable for 3–4 people |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Completed Lean UX Canvas, Hypothesis list, First experiment | 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 | QualitativeResearchCustomerDiscovery | CanvasHypothesisOutcomesDiscovery | ArchitectureQualityRiskTradeoffsStakeholders | ArchitectureQualityRiskAssessmentLean |