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| Criterion |  Operations Time Blocking |  Product Discovery Assumption Mapping |  Architecture ARID (Active Reviews for Intermediate Designs) |  Growth A/B Testing |
|---|---|---|---|---|
Purposedifferent | With a calendar that grows on request, the method makes available time explicit again. It combines appointments, focus work, and buffer into a more realistic day structure. | 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. | 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 | Low | Medium | Medium | High |
Timedifferent | 15-30 min Planung, laufend | 45-60 min | 2–4 h review as a planning range; preparation and evaluation additional | 1-4 Wochen |
Participantsdifferent | 1 | 2-8 | Designers, developers as users, and facilitation | 1-6 |
Formatdifferent | Async | Workshop + async | Workshop + async | Async |
Outputdifferent | Blocked Calendar, Capacity View, Focus Plan | Assumption map, Test backlog, Risk ranking | 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 | PlanningTime managementFocus | AssumptionsRiskExperimentsValidation | ArchitectureEngineeringFeedbackValidationTasks | ExperimentsGrowthAnalyticsValidation |