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| Criterion |  Innovation Double Diamond |  Operations Getting Things Done |  Architecture ARID (Active Reviews for Intermediate Designs) |
|---|---|---|---|
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. | With many open commitments and ideas in daily life, a reliable external storage system emerges. The method relieves the mind so priority and context don't have to compete in memory. | 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. |
Complexitysame | Medium | Medium | Medium |
Timedifferent | Wochen bis Monate | 1-2 h Setup, laufend | 2–4 h review as a planning range; preparation and evaluation additional |
Participantsdifferent | 3-12 | 1 | Designers, developers as users, and facilitation |
Formatdifferent | Workshop + async | Async | Workshop + async |
Outputdifferent | Problem Statement, Solution Options, Prototypes, Deliverables per Phase | Action Lists, Project List, Review Routine | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions |
Tagsno overlap | ProcessDivergenceInnovation | ProductivityPlanningTasksExecution | ArchitectureEngineeringFeedbackValidationTasks |
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