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| Criterion |  Product Discovery Assumption Mapping |  Innovation Brainwriting |  Architecture ARID (Active Reviews for Intermediate Designs) |  Growth A/B Testing |
|---|---|---|---|---|
Purposedifferent | When assumptions still sit unordered in the room, it weighs uncertainty against leverage. It makes visible which hypotheses should be checked first. | 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. | 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 two variants compete, discussions quickly decide by taste rather than effect. A/B Testing checks behavior under controlled conditions and separates real improvement from chance or expectation effects. |
Complexitydifferent | Medium | Low | Medium | High |
Timedifferent | 45-60 min | 15-30 min | 2–4 h review as a planning range; preparation and evaluation additional | 1-4 Wochen |
Participantsdifferent | 2-8 | 3-12 | Designers, developers as users, and facilitation | 1-6 |
Formatdifferent | Workshop + async | Workshop + async | Workshop + async | Async |
Outputdifferent | Assumption map, Test backlog, Risk ranking | Idea sheets, Expanded concepts, Prioritized list | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions | Experiment results, Decision log, Learning summary |
Tagsno overlap | AssumptionsRiskExperimentsValidation | BrainstormingCollaborationInclusionIdeas | ArchitectureEngineeringFeedbackValidationTasks | ExperimentsGrowthAnalyticsValidation |