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Selected:User InterviewsOpportunity Solution TreeATAM (Architecture Tradeoff Analysis Method)Opportunity Interview
| Criterion |  UX Research User Interviews |  Product Discovery Opportunity Solution Tree |  Architecture ATAM (Architecture Tradeoff Analysis Method) |  Product Discovery Opportunity Interview |
|---|---|---|---|---|
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. | When discovery keeps swinging between goals, ideas, and learning loops, it creates clear steering logic. It connects the desired outcome, opportunities, and experiments into a legible structure. | 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. | When opportunities are still hidden behind signals of need, it structures conversations around needs and obstacles. It looks for patterns that lead to new product opportunities. |
Complexitydifferent | Low | Medium | High | Medium |
Timedifferent | 30–60 min per interview | 1-2 h Setup, laufend | Several meetings plus preparation and analysis; total effort depends on scope | 30-60 min je Interview |
Participantsdifferent | 1 participant per interview | 2-6 | Evaluation team, architects, and relevant stakeholders | 5-12 Interviews |
Formatsame | Workshop + async | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Opportunity Solution Tree, Experiment Backlog, Learning Log | Prioritized quality scenarios in a utility tree, Architecture risks with reasoning and assumptions, Sensitivity and trade-off points, Findings report with open investigations | Interview Notes, Opportunity Themes, Customer Quotes |
Tagsno overlap | QualitativeResearchCustomerDiscovery | DiscoveryOutcomesExperimentsOpportunity | ArchitectureQualityRiskTradeoffsStakeholders | DiscoveryInterviewsOpportunityCustomer |