"a-b-testing"; "A/B testing"; ; ; "A controlled comparison in which two versions of a learning experience, interface, message, or intervention are presented to different groups so their effects can be compared."; "approved"; ; "It gives learning teams a practical way to test design assumptions with evidence instead of relying only on preference or intuition."; ; ; , ; a , . "A controlled comparison in which two versions of a learning experience, interface, message, or intervention are presented to different groups so their effects can be compared."; "en"; ; "approved"; 1. "Learning Engineering Body of Knowledge (LeBOK)". _:b37 a ; ; ; "LeBOK"; "direct"; "2.5.4 A/B Testing of Alternatives"; "https://lebok.wiki/en/knowledge-area-2-human-centered-design-foundations/2-5-user-testing/2-5-4-ab-testing-of-alternatives". _:b37; a , . "Learning Engineering Body of Knowledge (LeBOK)"; "https://lebok.wiki/"; "Used with permission"; a .