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Selected:Double DiamondARID (Active Reviews for Intermediate Designs)Solution InterviewDesign Thinking
| Criterion |  Innovation Double Diamond |  Architecture ARID (Active Reviews for Intermediate Designs) |  Product Discovery Solution Interview |  Innovation Design Thinking |
|---|---|---|---|---|
Purposedifferent | For complex problems with a fuzzy situation, the method cleanly separates search space and decision. It first creates breadth in understanding and then focus in elaboration. This brings open questions, problem definition, and solution path into a traceable movement. | 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 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. | For complex user problems with an uncertain cause, the method connects observation, interpretation, and experiment into a learning cycle. It keeps the focus on real needs and avoids premature solution language. This produces robust decisions for product and service. |
Complexitydifferent | Medium | Medium | Medium | High |
Timedifferent | Wochen bis Monate | 2–4 h review as a planning range; preparation and evaluation additional | 30-60 min je Interview | 1 Tag bis mehrere Wochen |
Participantsdifferent | 3-12 | Designers, developers as users, and facilitation | 5-10 Interviews | 4-10 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Solution Feedback, Objection List, Validation Notes | Problem Statement, Prototype, Test Learnings |
Tagsno overlap | ProcessDivergenceInnovation | ArchitectureEngineeringFeedbackValidationTasks | ValidationInterviewsPrototype | InnovationPrototypeResearch |