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| Criterion |  Architecture ARID (Active Reviews for Intermediate Designs) |  Innovation Double Diamond |  Innovation Lean Startup |  Innovation Design Sprint |
|---|---|---|---|---|
Purposedifferent | 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. | 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. | For uncertain business assumptions, the method forces the idea into contact with real market reactions early. It separates wishful picture, assumption, and observable behavior, so that learning becomes faster than planning. This translates uncertainty into measurable insight. | 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. |
Complexitydifferent | Medium | Medium | Medium | High |
Timedifferent | 2–4 h review as a planning range; preparation and evaluation additional | Wochen bis Monate | Wochen bis Monate je Lernzyklus | 4-5 Tage |
Participantsdifferent | Designers, developers as users, and facilitation | 3-12 | 2-8 | 5-8 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Workshop |
Outputdifferent | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Hypothesis list, MVPs, Learning reports, Pivot or persevere decision | Prototype, Test Findings, Decision Rationale |
Tagsno overlap | ArchitectureEngineeringFeedbackValidationTasks | ProcessDivergenceInnovation | LeanStartupValidationMVP | Design sprintPrototypeValidationInnovation |