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| Criterion |  Product Discovery Solution Interview |  Architecture ARID (Active Reviews for Intermediate Designs) |  UX Research Usability Testing |
|---|---|---|---|
Purposedifferent | When a solution idea is already on the table, it checks how it is understood and evaluated. It looks for resonance, objections, and missing fit early in the conversation. | 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 a product is built but people get stuck on tasks, usability testing shows the friction at concrete points. Observed use instead of self-report makes visible where orientation, understanding, or interaction breaks down. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | 30-60 min je Interview | 2–4 h review as a planning range; preparation and evaluation additional | 1-2 h je Session |
Participantsdifferent | 5-10 Interviews | Designers, developers as users, and facilitation | Based on research question |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Solution Feedback, Objection List, Validation Notes | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Usability Issues, Severity List, Recommendations |
Tags1 shared | ValidationInterviewsPrototype | ArchitectureEngineeringFeedbackValidationTasks | ValidationUXPrototype |
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