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Selected:Problem InterviewConcierge MVPATAM (Architecture Tradeoff Analysis Method)LASR (Lightweight Approach for Software Reviews)
| Criterion |  Product Discovery Problem Interview |  Product Discovery Concierge MVP |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Architecture LASR (Lightweight Approach for Software Reviews) |
|---|---|---|---|---|
Purposedifferent | When the picture of the problem still needs to become solid, it asks about real situations and consequences. It separates genuine suffering from mere interest in a solution. | When an idea can first fail or grow through genuine hands-on support, it relies on manual work instead of automation. It shows whether user value holds up even under manual execution. | 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 | Medium | High | Medium |
Timedifferent | 30-60 min je Interview | 1-4 Wochen | Several meetings plus preparation and analysis; total effort depends on scope | 3–4 h for initial assessment; preparation and deeper analysis additional |
Participantsdifferent | 5-12 Interviews | 3-10 Kunden | 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 | Problem Evidence, Risk Notes, Customer Segments | Concierge Learnings, Service Blueprint, MVP Risks | 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 | DiscoveryInterviewsValidation | MVPValidationServiceDiscovery | ArchitectureQualityRiskTradeoffsStakeholders | ArchitectureQualityRiskAssessmentLean |