Lexia® English Language Development® Efficacy Research
Lexia® English Language Development® is an adaptive blended learning program developed to support the English language proficiency of Emergent Bilingual students, also known as English Learners, in grades K–6. The program frames English language learning as an opportunity for students to become bilingual or multilingual and to achieve success in their academic life.
Lexia is dedicated to conducting rigorous scientific research to demonstrate the efficacy of its programs. This document summarizes six research studies that provide an evidence base establishing the efficacy of Lexia English. Included are a peer-reviewed publication, three research briefs, and two validity reports. Of these studies, three meet the second highest tier of evidence for an educational intervention described by the Every Student Succeeds Act (ESSA).
The studies summarized in this report constitute the evidence base for Lexia English, providing robust and diverse evidence that Lexia English is effective at improving literacy outcomes for Emergent Bilinguals. Download a copy to see detailed information about each study, including a link to the original publication.
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Impact of Lexia® Core5® Reading and Lexia® English Language Development® on Student Achievement
Emergent Bilinguals who used Lexia® English Language Development® and Lexia® Core5® Reading outscored those who used Core5 only on a national assessment of English Language Arts.