Research Findings: The present study investigates both the proximal processes and contextual influences on children's oral language development in preschool. We examine whether teacher language practices vary across activity settings and program type, which teacher language practices predict children's oral language skills, and potential…

Ability grouping, organizing classes homogeneously by L2 proficiency, has been commonly used in Taiwanese English as a Foreign Language (EFL) classes. This quasi-experimental (within-subjects design) study examined proficiency gains of 785 Taiwanese university students over three years enrolled in a general English (GE) program that employed…

This paper investigates the differences in academic achievement trajectories from elementary through middle school among English Learner students in four different instructional programs: English Immersion, Transitional Bilingual, Developmental Bilingual, and Dual Immersion programs. Comparing students with the same parental preferences but who…

The Oral Language Program is a set of instructional materials in English as a second language for children aged five to seven. It is also an instructional system; in addition to 150 lessons for the children, there are pupil assessment devices, teacher training procedures and materials, program evaluation procedures, and installation and monitoring…