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Selected:Double DiamondARID (Active Reviews for Intermediate Designs)Design SprintSolution Interview
| Criterion |  Innovation Double Diamond |  Architecture ARID (Active Reviews for Intermediate Designs) |  Innovation Design Sprint |  Product Discovery Solution Interview |
|---|---|---|---|---|
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 the product question is unclear and time pressure is high, the method takes a team from an open idea to a testable solution. It connects problem understanding, decision, and learning in one compact format, lowering the risk of spending a lot of energy on a mere guess. | 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. |
Complexitydifferent | Medium | Medium | High | Medium |
Timedifferent | Wochen bis Monate | 2–4 h review as a planning range; preparation and evaluation additional | 4-5 Tage | 30-60 min je Interview |
Participantsdifferent | 3-12 | Designers, developers as users, and facilitation | 5-8 | 5-10 Interviews |
Formatdifferent | Workshop + async | Workshop + async | Workshop | Workshop + async |
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 | Prototype, Test Findings, Decision Rationale | Solution Feedback, Objection List, Validation Notes |
Tagsno overlap | ProcessDivergenceInnovation | ArchitectureEngineeringFeedbackValidationTasks | Design sprintPrototypeValidationInnovation | ValidationInterviewsPrototype |