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Selected:User InterviewsARID (Active Reviews for Intermediate Designs)Opportunity InterviewFake Door Test
| Criterion |  UX Research User Interviews |  Architecture ARID (Active Reviews for Intermediate Designs) |  Product Discovery Opportunity Interview |  Product Discovery Fake Door Test |
|---|---|---|---|---|
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. | ARID examines how well developers can work with a technical design. It focuses on a part of the system that can still be revised, between the architecture overview and the detailed specification. | 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. | When demand is still unclear, it measures interest in a feature before it is built. It separates real behavior from polite agreement and deliberately keeps build effort small. |
Complexitydifferent | Low | Medium | Medium | Medium |
Timedifferent | 30–60 min per interview | 2–4 h review as a planning range; preparation and evaluation additional | 30-60 min je Interview | 1-5 Tage |
Participantsdifferent | 1 participant per interview | Designers, developers as users, and facilitation | 5-12 Interviews | Nutzertraffic |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Interview Notes, Themes, Insight Summary | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Interview Notes, Opportunity Themes, Customer Quotes | Click Data, Interest Signal, Learning Decision |
Tagsno overlap | QualitativeResearchCustomerDiscovery | ArchitectureEngineeringFeedbackValidationTasks | DiscoveryInterviewsOpportunityCustomer | ValidationExperimentsDemandDiscovery |