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| Criterion |  Agile Three Amigos |  UX Research User Interviews |  Agile Specification by Example |  Product Discovery Opportunity Interview |
|---|---|---|---|---|
Purposedifferent | When story, test, and implementation could drift apart, it brings business perspective, engineering, and quality together early. It prevents a story from being read differently only late in the process. | 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 business rules need to become precise, it ties language, example, and test together. It sorts work by value, risk, and delivery ability. The result is captured as an Example Table and Acceptance Tests. | 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 | Low | Medium | Medium |
Timedifferent | 15-30 min | 30–60 min per interview | 60-90 min pro Feature | 30-60 min je Interview |
Participantsdifferent | 3 | 1 participant per interview | 3-6 | 5-12 Interviews |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
Outputdifferent | Clarified Story, Test Examples, Open Questions | Interview Notes, Themes, Insight Summary | Example Table, Acceptance Tests | Interview Notes, Opportunity Themes, Customer Quotes |
Tagsno overlap | CollaborationBehavior-Driven DevelopmentQualityRefinement | QualitativeResearchCustomerDiscovery | AgileRequirementsExamplesBehavior-Driven Development | DiscoveryInterviewsOpportunityCustomer |