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| Criterion |  UX Research Customer Journey Mapping |  Growth A/B Testing |  Architecture ARID (Active Reviews for Intermediate Designs) |
|---|---|---|---|
Purposedifferent | When a user journey falls apart across many touchpoints, customer journey mapping makes the experience visible as a coherent arc. Phases, emotions, and breaks become legible enough to prioritize critical moments deliberately. | 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. | 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 | Medium | High | Medium |
Timedifferent | 2-4 h | 1-4 Wochen | 2–4 h review as a planning range; preparation and evaluation additional |
Participantsdifferent | 4-10 | 1-6 | Designers, developers as users, and facilitation |
Formatdifferent | Workshop | Async | Workshop + async |
Outputdifferent | Journey Map, Pain-point List, Opportunity Backlog | Experiment results, Decision log, Learning summary | Prioritized development tasks, Jointly produced code or pseudocode, Observed difficulties and open design questions, Proposed design revisions |
Tagsno overlap | JourneyServiceService design | ExperimentsGrowthAnalyticsValidation | ArchitectureEngineeringFeedbackValidationTasks |
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