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| Criterion |  Innovation Brainwriting |  Product Discovery Assumption Mapping |  Architecture ARID (Active Reviews for Intermediate Designs) |
|---|---|---|---|
Purposedifferent | When loud voices or hierarchy distort the idea search, the method creates a quiet entry into joint development. It gives everyone thinking space and gathers contributions without social brakes, making diversity more visible and easier to build on. | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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. |
Complexitydifferent | Low | Medium | Medium |
Timedifferent | 15-30 min | 45-60 min | 2–4 h review as a planning range; preparation and evaluation additional |
Participantsdifferent | 3-12 | 2-8 | Designers, developers as users, and facilitation |
Formatsame | Workshop + async | Workshop + async | Workshop + async |
Outputdifferent | Idea sheets, Expanded concepts, Prioritized list | Assumption map, Test backlog, Risk ranking | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions |
Tagsno overlap | BrainstormingCollaborationInclusionIdeas | AssumptionsRiskExperimentsValidation | ArchitectureEngineeringFeedbackValidationTasks |
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